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Encyclopedia Greyhawkania Index
The Encyclopedia Greyhawkania Index (EGI) is based on previous work of Jason Zavoda through '08, continued by numerous other fans. The EGI article has a list of sources, product names, abbreviations, and a link to the full, downloadable index.
| Topic | Type | Description | Product | Page/Card/Image
|
|---|---|---|---|---|
| Anti-Magic Shell (LVL6) | Spell | Spell (Magic User), | Greyhawk: Supplement I, OD&D | 20 |
| Anti-Magic Shell (LVL6) | Spell | Spell (Magic User), | Player's Handbook, AD&D 1e | 42, 82-83 |
| Anti-Magic Shell (LVL6) | Spell | Spell (Magic User), | Player's Handbook, AD&D 2e | 127, 173, 196, 229, 242 |
| Anti-Magic Shell (LVL6) | Spell | Spell (Magic User), | Spelljammer Boxed Set: Concordance of Arcane Space | 83 |
| Anti-Magic Shell (LVL6) | Spell | Spell (Magic User), | Wizard's Spell Compendium - Volume I | 52 |
| Anti-Plant Shell (LVL5) | Spell | Spell (Druid), | Player's Handbook, AD&D 1e | 41, 60 |
| Avernus (First Layer of Hell) | Planar | Plane/Dimension, | Baldur's Gate: Descent Into Avernus, D&D 5e | 74-157 |
| Avernus (First Layer of Hell) | Planar | Plane/Dimension, | Dragon magazine #075 | 18-21, 26, 31 |
| Avernus (First Layer of Hell) | Planar | Plane/Dimension, | Dragon magazine #206 | 43 |
| Avernus (First Layer of Hell) | Planar | Plane/Dimension, | Dragon magazine #230 | 16 |
| Avernus (First Layer of Hell) | Planar | Plane/Dimension, | Dragon magazine #295 | 92 |
| Avernus (First Layer of Hell) | Planar | Plane/Dimension, | Fiendish Codex II: Tyrants of the Nine Hells, D&D 3.5e | 7, 9, 15, 16, 33, 35-40, 41, 59, 82, 84, 99, 108, 109, 123, 125, 130, 138, 143 |
| Avernus (First Layer of Hell) | Planar | Plane/Dimension, | Fiendish Codex II: Web Enhancement, D&D 3.5e | 3, 4 |
| Avernus (First Layer of Hell) | Planar | Plane/Dimension, | Monster Manual 1, D&D 5e | 68 |
| Avernus (First Layer of Hell) | Planar | Plane/Dimension, | Manual of the Planes, AD&D 1e | 74, 109, 110, 111, 112 |
| Avernus (First Layer of Hell) | Planar | Plane/Dimension, | OP1 Tales of the Outer Planes, AD&D 1e | 74 |
| Avernus (First Layer of Hell) | Planar | Plane/Dimension, | Pathfinder Chronicles: Campaign Setting, Pathfinder 1e | 186 |
| Baalberith (Duke of Hell) | Non-player character | Devil, Pit Fiend, | Dragon magazine #075 | 8 |
| Baalberith (Duke of Hell) | Non-player character | Devil, Pit Fiend, | Dragon magazine #076 | 34 |
| Baalberith (Duke of Hell) | Non-player character | Devil, Pit Fiend, | Monster Manual 2, AD&D 1e | 44 |
| Baalberith (Duke of Hell) | Non-player character | Devil, Pit Fiend, | Manual of the Planes, AD&D 1e | 65 |
| Baalphegor (Princess of Hell) | Non-player character | Female, Devil, | Dragon magazine #075 | 8 |
| Baalphegor (Princess of Hell) | Non-player character | Female, Devil, | Dragon magazine #076 | 26, 28, 29 |
| Baalphegor (Princess of Hell) | Non-player character | Female, Devil, | Monster Manual 2, AD&D 1e | 44 |
| Baalphegor (Princess of Hell) | Non-player character | Female, Devil, | Manual of the Planes, AD&D 1e | 65 |
| Baalzephon (Duke of Hell) | Non-player character | Devil, Pit Fiend, | Ivid the Undying | 5, 21, 22, 23, 29, 30, 31, 32, 36, 38, 39 |
| Baalzephon (Duke of Hell) | Non-player character | Devil, Pit Fiend, | Monster Manual 2, AD&D 1e | 44 |
| Baalzephon (Duke of Hell) | Non-player character | Devil, Pit Fiend, | Manual of the Planes, AD&D 1e | 65 |
| Baalzephon (Duke of Hell) | Non-player character | Devil, Pit Fiend, | Dragon magazine #075 | 8, 21 |
| Baalzephon (Duke of Hell) | Non-player character | Devil, Pit Fiend, | Dragon magazine #206 | 43 |
| Baator {Hell, Nine Hells, Nine Hells of Baator} | Planar | Reference | SEE Nine Hells {Baator, Hell, Nine Hells of Baator} | |
| Bael (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 8, 10, 25, 26 |
| Bael (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44, 46 |
| Bael (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65, 111 |
| Baftis (Duke of Hell) | Non-player character | Female, Devil, | Dragon magazine #075 | 8, 27 |
| Baftis (Duke of Hell) | Non-player character | Female, Devil, | Dragon magazine #076 | 24, 25 |
| Balan (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 8, 27, 30 |
| Balan (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Balan (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Barbas (Chamberlain of Mephistar) (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 8 |
| Barbas (Chamberlain of Mephistar) (Duke of Hell) | Non-player character | Devil, | Dragon magazine #076 | 26, 28, 29, 30 |
| Barbas (Chamberlain of Mephistar) (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Barbas (Chamberlain of Mephistar) (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Barbatos (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 8 |
| Barbatos (Duke of Hell) | Non-player character | Devil, | Dragon magazine #076 | 24, 26 |
| Barbatos (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Barbatos (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Barbatos (Duke of Hell) | Non-player character | Devil, | Pathfinder Chronicles: Campaign Setting, Pathfinder 1e | 172 |
| Baris Hellem | Non-player character | Male, Half-Elf, | The Fright At Tristor | 13 |
| Bathym {The Black Duke} (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 8, 27, 30 |
| Bathym {The Black Duke} (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Bathym {The Black Duke} (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Bele (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 8 |
| Bele (Duke of Hell) | Non-player character | Devil, | Dragon magazine #076 | 26, 28, 29, 30 |
| Bele (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Bele (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Bensozia (Queen of Hell) | Non-player character | Female, Devil, | Dragon magazine #075 | 8 |
| Bensozia (Queen of Hell) | Non-player character | Female, Devil, | Dragon magazine #076 | 34 |
| Bensozia (Queen of Hell) | Non-player character | Female, Devil, | Monster Manual 2, AD&D 1e | 44 |
| Bensozia (Queen of Hell) | Non-player character | Female, Devil, | Manual of the Planes, AD&D 1e | 65 |
| Bethage (Duke of Hell) | Non-player character | Devil, Pit Fiend, | Dragon magazine #075 | 8 |
| Bethage (Duke of Hell) | Non-player character | Devil, Pit Fiend, | Dragon magazine #076 | 22, 23 |
| Bethage (Duke of Hell) | Non-player character | Devil, Pit Fiend, | Monster Manual 2, AD&D 1e | 44 |
| Bethage (Duke of Hell) | Non-player character | Devil, Pit Fiend, | Manual of the Planes, AD&D 1e | 65 |
| Biffant (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 8, 21, 22 |
| Biffant (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Biffant (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Bifrons (Duke of Hell, Cold Duke) | Non-player character | Devil, | Dragon magazine #075 | 8 |
| Bifrons (Duke of Hell, Cold Duke) | Non-player character | Devil, | Dragon magazine #076 | 28, 30, 31, 38 |
| Bifrons (Duke of Hell, Cold Duke) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Bifrons (Duke of Hell, Cold Duke) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Bileth (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 8 |
| Bileth (Duke of Hell) | Non-player character | Devil, | Dragon magazine #076 | 22, 23 |
| Bileth (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Bileth (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Bitru (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 8, 11, 21 |
| Bitru (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Bitru (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Buer (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 8 |
| Buer (Duke of Hell) | Non-player character | Devil, | Dragon magazine #076 | 34, 36, 37 |
| Buer (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Buer (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Buldumech (Duke of Hell) | Non-player character | Dragon magazine #076 | 28 | |
| Bune (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 8 |
| Bune (Duke of Hell) | Non-player character | Devil, | Dragon magazine #076 | 34, 37, 38 |
| Bune (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Bune (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Caarcrinolaas (Duke of Hell) (Devil) | Non-player character | Devil, | Dragon magazine #075 | 8, 25, 26 |
| Caarcrinolaas (Duke of Hell) (Devil) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Caarcrinolaas (Duke of Hell) (Devil) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Caina (Eighth Layer of Hell) | Planar | Plane/Dimension, | Dragon magazine #076 | 26-31 |
| Caina (Eighth Layer of Hell) | Planar | Plane/Dimension, | Monster Manual 1, D&D 5e | 68 |
| Caina (Eighth Layer of Hell) | Planar | Plane/Dimension, | Manual of the Planes, AD&D 1e | 74, 109, 110 |
| Caina (Eighth Layer of Hell) | Planar | Plane/Dimension, | Pathfinder Chronicles: Campaign Setting, Pathfinder 1e | 186 |
| Chamo (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 8, 26, 27 |
| Chamo (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Chamo (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Chert (Rakehell) | Non-player character | [T15][3e Rog18], | Dragon magazine #281 | 39 |
| Chert (Rakehell) | Non-player character | [T15][3e Rog18], | Dragon magazine #299 | 98, 99, 100 |
| Chert (Rakehell) | Non-player character | [T15][3e Rog18], | Living Greyhawk, Living Onnwal Gazetteer, D&D 3.5e | Dis, 13, 28, 29, 30, 31, 45, 52, 59, 60, 61, 67, 80, 101, 107 , 109 |
| Chert (Rakehell) | Non-player character | [T15][3e Rog18], | Living Greyhawk Gazetteer | 79, 80 |
| Chert (Rakehell) | Non-player character | [T15][3e Rog18], | The Adventure Begins | 25 |
| Chert (Rakehell) | Non-player character | [T15][3e Rog18], | The Scarlet Brotherhood | 6 |
| Chert (Rakehell) | Non-player character | [T15][3e Rog18], | WG6 Isle of the Ape | 28 |
| Cinders (Hellhound Hide) | Non-player character | Sentient hellhound hide, Artifact, | Dragon magazine #271 | 62, 64 |
| Cinders (Hellhound Hide) | Non-player character | Sentient hellhound hide, Artifact, | Dragon magazine #278 | 79, 81, 82 |
| Cinders (Hellhound Hide) | Non-player character | Sentient hellhound hide, Artifact, | Dragon magazine #290 | 83, 84 |
| Cloak of the Hellfurnaces | Item | Encyclopedia Magica - Volume I | 303 | |
| Cloak of the Hellfurnaces | Item | Greyhawk Adventures | 78 | |
| Cozbi (Princess of Hell) | Non-player character | Female, Devil, | Dragon magazine #075 | 8, 31, 32 |
| Cozbi (Princess of Hell) | Non-player character | Female, Devil, | Monster Manual 2, AD&D 1e | 44 |
| Cozbi (Princess of Hell) | Non-player character | Female, Devil, | Manual of the Planes, AD&D 1e | 65 |
| Crystal Sphere {Crystal Shell} | Item | Spelljammer Boxed Set: Concordance of Arcane Space | 3, 6, 9, 10, 11, 14, 15, 17, 22, 23, 38, 72, 78, 79, 80, 81, 82, 84, 85, 86, 87, 88, 89 | |
| Crystal Sphere {Crystal Shell} | Item | Spelljammer Boxed Set: Lorebook of the Void | 19, 52, 65, 66, 76, 84 | |
| Crystal Sphere {Crystal Shell} | Item | SJR6 Greyspace | 3, 4, 6, 22 | |
| Dis (Second Layer of Hell) | Planar | Plane/Dimension, | Dragon magazine #075 | 21-24 |
| Dis (Second Layer of Hell) | Planar | Plane/Dimension, | Monster Manual 1, AD&D 1e | 21 |
| Dis (Second Layer of Hell) | Planar | Plane/Dimension, | Monster Manual 1, D&D 5e | 68 |
| Dis (Second Layer of Hell) | Planar | Plane/Dimension, | Manual of the Planes, AD&D 1e | 74, 109 |
| Dis (Second Layer of Hell) | Planar | Plane/Dimension, | Pathfinder Chronicles: Campaign Setting, Pathfinder 1e | 186 |
| Fecor (Duke of Hell) | Non-player character | Devil, pit fiend, | Dragon magazine #075 | 8, 31 |
| Fecor (Duke of Hell) | Non-player character | Devil, pit fiend, | Monster Manual 2, AD&D 1e | 44 |
| Fecor (Duke of Hell) | Non-player character | Devil, pit fiend, | Manual of the Planes, AD&D 1e | 65 |
| Focalor (Duke of Hell) | Non-player character | Devil, pit fiend, | Dragon magazine #075 | 8, 24, 25, 26 |
| Focalor (Duke of Hell) | Non-player character | Devil, pit fiend, | Monster Manual 2, AD&D 1e | 44 |
| Focalor (Duke of Hell) | Non-player character | Devil, pit fiend, | Manual of the Planes, AD&D 1e | 65 |
| Forsaken Shell | Monster | Libris Mortis, D&D 3.5e | 9, 100-101 | |
| Furcas (Duke of Hell) | Non-player character | Devil, Pit Fiend, | Dragon magazine #075 | 8, 21 |
| Furcas (Duke of Hell) | Non-player character | Devil, Pit Fiend, | Monster Manual 2, AD&D 1e | 44 |
| Furcas (Duke of Hell) | Non-player character | Devil, Pit Fiend, | Manual of the Planes, AD&D 1e | 65 |
| Gaziel (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 9, 27, 30 |
| Gaziel (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Gaziel (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Ghoul Shell Armor | Item | Libris Mortis, D&D 3.5e | 75, 76 | |
| Glasya {Princess of Hell} | Deity | Female, Devil, Arch-Devil, (Arch-devil), Female, | Defenders of the Faith, D&D 3.0e | 96 |
| Glasya {Princess of Hell} | Deity | Female, Devil, Arch-Devil, (Arch-devil), Female, | Dragon magazine #075 | 9, 11, 12, 25, 27 |
| Glasya {Princess of Hell} | Deity | Female, Devil, Arch-Devil, (Arch-devil), Female, | Monster Manual 1, D&D 5e | 68 |
| Glasya {Princess of Hell} | Deity | Female, Devil, Arch-Devil, (Arch-devil), Female, | Monster Manual 2, AD&D 1e | 44, 47 |
| Glasya {Princess of Hell} | Deity | Female, Devil, Arch-Devil, (Arch-devil), Female, | Manual of the Planes, AD&D 1e | 65, 111 |
| Glitterhell {Abbathor's Realm} (Hades) | Planar | Plane/Dimension, | Manual of the Planes, AD&D 1e | 107 |
| Goap (Duke of Hell) | Non-player character | Devil, pit fiend, | Dragon magazine #075 | 9, 19 |
| Goap (Duke of Hell) | Non-player character | Devil, pit fiend, | Monster Manual 2, AD&D 1e | 44 |
| Goap (Duke of Hell) | Non-player character | Devil, pit fiend, | Manual of the Planes, AD&D 1e | 65 |
| Gorson (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 9, 31, 32 |
| Gorson (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Gorson (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Guland (Duke of Hell) | Non-player character | Devil, Duke of hell, | Dragon magazine #076 | 28 |
| Heart of Hellfire Mountain | Adventure | Located in: Yeomanry, | Dungeon magazine #140 | 68-84 |
| Hell | Planar | Reference | SEE Nine Hells {Baator, Hell, Nine Hells of Baator} | |
| Hell Hound | Monster | Reference | SEE Hound, Hell | |
| Hell Hound Hide | Item | Artifact, | Against The Giants: The Liberation of Geoff | 32 |
| Hell Islands {Hezarin} | Place | Island, | Living Greyhawk, Living Onnwal Gazetteer, D&D 3.5e | 9, 25, 36, 38, 65, 68, 99 |
| Hellcat | Monster | Dragon magazine #075 | 21 | |
| Hellcat | Monster | Fiend Folio, AD&D 1e | 50 | |
| Hellcat | Monster | Monster Manual 1, D&D 3.0e | 48, 51 | |
| Hellcat | Monster | Oerth Journal #23 | 6 | |
| Hellfurnaces | Geographical feature | Mountains, | Oerth Journal #11 | 5,6,7,8,40,50,58 |
| Hellfurnaces | Geographical feature | Mountains, | Oerth Journal #13 | 4,17 |
| Hellfurnaces | Geographical feature | Mountains, | Oerth Journal #14 | 5,7 |
| Hellfurnaces | Geographical feature | Mountains, | Oerth Journal #15 | 15 |
| Hellfurnaces | Geographical feature | Mountains, | Oerth Journal #18 | 29,30,36,41 |
| Hellfurnaces | Geographical feature | Mountains, | Oerth Journal #20 | 7 |
| Hellfurnaces | Geographical feature | Mountains, | Oerth Journal #21 | 8 |
| Hellfurnaces | Geographical feature | Mountains, | Oerth Journal #24 | 6,7,9 |
| Hellfurnaces | Geographical feature | Mountains, | Oerth Journal #25 | 48 |
| Hellfurnaces | Geographical feature | Mountains, | Oerth Journal #26 | 3,17,19,20 |
| Hellfurnaces | Geographical feature | Mountains, | Oerth Journal #27 | 32 |
| Hellfurnaces | Geographical feature | Mountains, | Oerth Journal #32 | 31,34 |
| Hellfurnaces | Geographical feature | Mountains, | Player's Guide to Greyhawk | 3, 5, 7, 8, 24, 36, 39, 40 |
| Hellfurnaces | Geographical feature | Mountains, | Polyhedron magazine #058 | 15 |
| Hellfurnaces | Geographical feature | Mountains, | Return of the Eight | 60 |
| Hellfurnaces | Geographical feature | Mountains, | The Adventure Begins | 14, 16 |
| Hellfurnaces | Geographical feature | Mountains, | The Scarlet Brotherhood | 3, 62, 63, 67, 68, 81, Map |
| Hellfurnaces | Geographical feature | Mountains, | The World of Greyhawk Fantasy World Setting (Folio) | 5, 23, 24 |
| Hellfurnaces | Geographical feature | Mountains, | WGR3 Rary the Traitor | 33 |
| Hellfurnaces | Geographical feature | Mountains, | World of Greyhawk boxed set (1983) | 8, 51-53, 61 |
| Hellfurnaces | Geographical feature | Mountains, | World of Greyhawk boxed set (1983) | 14, 15, 27, 30, IBC |
| Hellfurnaces | Geographical feature | Mountains, | Against The Giants: The Liberation of Geoff | 4 |
| Hellfurnaces | Geographical feature | Mountains, | The City of Greyhawk: Folks, Feuds and Factions | 54 |
| Hellfurnaces | Geographical feature | Mountains, | Dragon magazine #209 | 13, 14 |
| Hellfurnaces | Geographical feature | Mountains, | Dragon magazine #225 | 49 |
| Hellfurnaces | Geographical feature | Mountains, | Dragon magazine #230 | 9, 12, 15 |
| Hellfurnaces | Geographical feature | Mountains, | Dragon magazine #233 | 92 |
| Hellfurnaces | Geographical feature | Mountains, | Dragon magazine #241 | 41, 45, 46, 47, 49, 50, 79 |
| Hellfurnaces | Geographical feature | Mountains, | Dragon magazine #243 | 91 |
| Hellfurnaces | Geographical feature | Mountains, | Dragon magazine #268 | 70 |
| Hellfurnaces | Geographical feature | Mountains, | Dragon magazine #290 | 106 |
| Hellfurnaces | Geographical feature | Mountains, | Dragon magazine #298 | 73, 84 |
| Hellfurnaces | Geographical feature | Mountains, | Dragon magazine #350 | 65 |
| Hellfurnaces | Geographical feature | Mountains, | Dragon magazine #AN1 | 72 |
| Hellfurnaces | Geographical feature | Mountains, | Dungeon magazine #070 | 48, 49 |
| Hellfurnaces | Geographical feature | Mountains, | From the Ashes: Atlas of the Flanaess | 3, 56, 62, 72 |
| Hellfurnaces | Geographical feature | Mountains, | From the Ashes: References Card | #12 |
| Hellfurnaces | Geographical feature | Mountains, | Greyhawk Adventures | 73, 78, 87, 90 |
| Hellfurnaces | Geographical feature | Mountains, | GDQ1-7 Queen of the Spiders | 3, 4, 18, 125, 126 |
| Hellfurnaces | Geographical feature | Mountains, | Living Greyhawk Gazetteer | 8, 18, 54, 100-102, 134, 135, 143, 149, 155 |
| Hellfurnaces | Geographical feature | Mountains, | Living Greyhawk Journal #0 | 11 |
| Hellfurnaces | Geographical feature | Mountains, | Living Greyhawk Journal #1 | 18 |
| Hellfurnaces | Geographical feature | Mountains, | Oerth Journal #01 | 6,13 |
| Hellfurnaces | Geographical feature | Mountains, | Oerth Journal #02 | 14,15 |
| Hellfurnaces | Geographical feature | Mountains, | Oerth Journal #04 | 9,13,16 |
| Hellfurnaces | Geographical feature | Mountains, | Oerth Journal #06 | 24 |
| Hellfurnaces | Geographical feature | Mountains, | Oerth Journal #07 | 6,27 |
| Hellstone | Settlement | Defensive Structure, | WGR5 Iuz the Evil | 48, 52, 53 |
| Herobaal (Duke of Hell) | Non-player character | Devil, pit fiend, | Dragon magazine #075 | 9 |
| Herobaal (Duke of Hell) | Non-player character | Devil, pit fiend, | Dragon magazine #076 | 23 |
| Herobaal (Duke of Hell) | Non-player character | Devil, pit fiend, | Monster Manual 2, AD&D 1e | 44 |
| Herobaal (Duke of Hell) | Non-player character | Devil, pit fiend, | Manual of the Planes, AD&D 1e | 65 |
| Herodias (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 9, 31, 32, 33 |
| Herodias (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Herodias (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Hound, Hell | Monster | Native of: Material Plane, | Against The Giants: The Liberation of Geoff | 27, 29, 32, 38, 39, 43, 65, 67, 71, 72, 74, 94 |
| Hound, Hell | Monster | Native of: Material Plane, | Baldur's Gate: Descent Into Avernus, D&D 5e | 32, 59, 60, 104, 124, 125 |
| Hound, Hell | Monster | Native of: Material Plane, | C2 the Ghost Tower of Inverness | 7 |
| Hound, Hell | Monster | Native of: Material Plane, | Into White Plume (RPGA) (Low Level Version), D&D 3.5e | 18, 22 |
| Hound, Hell | Monster | Native of: Material Plane, | Dragon magazine #075 | 12, 26, 31 |
| Hound, Hell | Monster | Native of: Material Plane, | From the Ashes: References Card | #12 |
| Hound, Hell | Monster | Native of: Material Plane, | GDQ1-7 Queen of the Spiders | 18, 19, 35, 36, 37, 40, 45 |
| Hound, Hell | Monster | Native of: Material Plane, | GDQ1-7 Queen of the Spiders: Map/Monster Booklet | 15 |
| Hound, Hell | Monster | Native of: Material Plane, | Greyhawk: Supplement I, OD&D | 6, 19, 29, 33, 38, 56, 63, 64, 65 |
| Hound, Hell | Monster | Native of: Material Plane, | I2 Tomb of the Lizard King | 27 |
| Hound, Hell | Monster | Native of: Material Plane, | MC2 - Monstrous Compendium Volume 2 | Insert (Hell Hound) |
| Hound, Hell | Monster | Native of: Material Plane, | MC5 Monstrous Compendium Greyhawk Adventures Appendix | Encounter Tables |
| Hound, Hell | Monster | Native of: Material Plane, | Monster Manual 1, AD&D 1e | 51 |
| Hound, Hell | Monster | Native of: Material Plane, | Monster Manual 1, D&D 3.5e (Premium Edition) | 151, 152 |
| Hound, Hell | Monster | Native of: Material Plane, | Monster Manual 1, D&D 4e (Deluxe Edition) | 160 |
| Hound, Hell | Monster | Native of: Material Plane, | Monster Manual 1, D&D 5e | 182 |
| Hound, Hell | Monster | Native of: Material Plane, | Return to the Tomb of Horrors | 23, 24 |
| Hound, Hell | Monster | Native of: Material Plane, | Vortext #08, Spring 1993 #08 | 27 |
| Hound, Hell | Monster | Native of: Material Plane, | World of Greyhawk boxed set (1983) | 14 |
| Hutijin (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 9, 12 |
| Hutijin (Duke of Hell) | Non-player character | Devil, | Dragon magazine #076 | 28, 29 |
| Hutijin (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44, 47 |
| Hutijin (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Ishell (Countess) | Non-player character | Ivid the Undying | 54, 81 | |
| Lilis (Duke of Hell) | Non-player character | Female, Devil, | Dragon magazine #075 | 9, 21, 22 |
| Lilis (Duke of Hell) | Non-player character | Female, Devil, | Monster Manual 2, AD&D 1e | 44 |
| Lilis (Duke of Hell) | Non-player character | Female, Devil, | Manual of the Planes, AD&D 1e | 65 |
| Lilith (Duke of Hell) | Non-player character | Female, Devil, | Dragon magazine #075 | 9, 27 |
| Lilith (Duke of Hell) | Non-player character | Female, Devil, | Dragon magazine #076 | 22, 23 |
| Lilith (Duke of Hell) | Non-player character | Female, Devil, | Monster Manual 2, AD&D 1e | 44 |
| Lilith (Duke of Hell) | Non-player character | Female, Devil, | Manual of the Planes, AD&D 1e | 65 |
| Machalas (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 9, 31, 33 |
| Machalas (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Machalas (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Maggot Pit (Avernus, Nine Hells) | Place | Fiendish Codex II: Tyrants of the Nine Hells, D&D 3.5e | 9, 37-39, 40, 41 | |
| Maladomini (Seventh Layer of Hell) | Planar | Plane/Dimension, | Dragon magazine #076 | 24-26 |
| Maladomini (Seventh Layer of Hell) | Planar | Plane/Dimension, | Monster Manual 1, AD&D 1e | 21 |
| Maladomini (Seventh Layer of Hell) | Planar | Plane/Dimension, | Monster Manual 1, D&D 5e | 68 |
| Maladomini (Seventh Layer of Hell) | Planar | Plane/Dimension, | Manual of the Planes, AD&D 1e | 74, 109 |
| Malbolge {Malebolge} (Sixth Layer of Hell) | Planar | Plane/Dimension, | Dragon magazine #076 | 22-23, 26 |
| Malbolge {Malebolge} (Sixth Layer of Hell) | Planar | Plane/Dimension, | Monster Manual 1, AD&D 1e | 21 |
| Malbolge {Malebolge} (Sixth Layer of Hell) | Planar | Plane/Dimension, | Monster Manual 1, D&D 5e | 68 |
| Malbolge {Malebolge} (Sixth Layer of Hell) | Planar | Plane/Dimension, | Manual of the Planes, AD&D 1e | 74, 109 |
| Malbolge {Malebolge} (Sixth Layer of Hell) | Planar | Plane/Dimension, | Pathfinder Chronicles: Campaign Setting, Pathfinder 1e | 186 |
| Malphas (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 9, 19 |
| Malphas (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Malphas (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Martinet (Arch-devil) (Duke of Hell) | Non-player character | Devil, Pit fiend, | Defenders of the Faith, D&D 3.0e | 96 |
| Martinet (Arch-devil) (Duke of Hell) | Non-player character | Devil, Pit fiend, | Dragon magazine #075 | 9 |
| Martinet (Arch-devil) (Duke of Hell) | Non-player character | Devil, Pit fiend, | Dragon magazine #076 | 34 |
| Martinet (Arch-devil) (Duke of Hell) | Non-player character | Devil, Pit fiend, | Monster Manual 2, AD&D 1e | 44 |
| Martinet (Arch-devil) (Duke of Hell) | Non-player character | Devil, Pit fiend, | Manual of the Planes, AD&D 1e | 65 |
| Melchon (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 9, 25, 26 |
| Melchon (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Melchon (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Merodach (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 9, 21, 24 |
| Merodach (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Merodach (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Minauros (Third Layer of Hell) | Planar | Plane/Dimension, | Dragon magazine #075 | 24-26, 27 |
| Minauros (Third Layer of Hell) | Planar | Plane/Dimension, | Monster Manual 1, D&D 5e | 68 |
| Minauros (Third Layer of Hell) | Planar | Plane/Dimension, | Manual of the Planes, AD&D 1e | 74, 109, 111 |
| Moloch (Grand Duke of Hell, Viceroy)(Arch-devil) | Non-player character | Devil, Arch-Devil, | Dragon magazine #075 | 8, 9, 14, 27, 31 |
| Moloch (Grand Duke of Hell, Viceroy)(Arch-devil) | Non-player character | Devil, Arch-Devil, | Dragon magazine #076 | 22, 23, 26, 38 |
| Moloch (Grand Duke of Hell, Viceroy)(Arch-devil) | Non-player character | Devil, Arch-Devil, | Dragon magazine #347 | 34 |
| Moloch (Grand Duke of Hell, Viceroy)(Arch-devil) | Non-player character | Devil, Arch-Devil, | Monster Manual 1, D&D 5e | 68 |
| Moloch (Grand Duke of Hell, Viceroy)(Arch-devil) | Non-player character | Devil, Arch-Devil, | Monster Manual 2, AD&D 1e | 44, 45, 46, 48 |
| Moloch (Grand Duke of Hell, Viceroy)(Arch-devil) | Non-player character | Devil, Arch-Devil, | Manual of the Planes, AD&D 1e | 65, 109, 111 |
| Moloch (Grand Duke of Hell, Viceroy)(Arch-devil) | Non-player character | Devil, Arch-Devil, | Pathfinder Chronicles: Campaign Setting, Pathfinder 1e | 172 |
| Morax (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 9 |
| Morax (Duke of Hell) | Non-player character | Devil, | Dragon magazine #076 | 34, 38 |
| Morax (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Morax (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Naome (Duke of Hell) (Devil) | Non-player character | Female, Devil, | Dragon magazine #075 | 9, 26, 27, 30 |
| Naome (Duke of Hell) (Devil) | Non-player character | Female, Devil, | Monster Manual 2, AD&D 1e | 44 |
| Naome (Duke of Hell) (Devil) | Non-player character | Female, Devil, | Manual of the Planes, AD&D 1e | 65 |
| Neabaz (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 9 |
| Neabaz (Duke of Hell) | Non-player character | Devil, | Dragon magazine #076 | 22, 24, 25 |
| Neabaz (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Neabaz (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Nessus {Nesses, Cocytus} (Ninth Layer of Hell) | Planar | Plane/Dimension, | Dragon magazine #076 | 32-38 |
| Nessus {Nesses, Cocytus} (Ninth Layer of Hell) | Planar | Plane/Dimension, | Fiendish Codex II: Tyrants of the Nine Hells, D&D 3.5e | 8, 12, 33, 35, 38, 39, 72-76, 80, 82, 84, 85, 107, 144, 155, 156, 157 |
| Nessus {Nesses, Cocytus} (Ninth Layer of Hell) | Planar | Plane/Dimension, | Fiendish Codex II: Web Enhancement, D&D 3.5e | 22, 23 |
| Nessus {Nesses, Cocytus} (Ninth Layer of Hell) | Planar | Plane/Dimension, | Ivid the Undying | 23 |
| Nessus {Nesses, Cocytus} (Ninth Layer of Hell) | Planar | Plane/Dimension, | Monster Manual 1, D&D 5e | 66, |
| Nessus {Nesses, Cocytus} (Ninth Layer of Hell) | Planar | Plane/Dimension, | Manual of the Planes, AD&D 1e | 74, 109, 110, 111 |
| Nexroth (Duke of Hell) | Non-player character | Devil, Pit Fiend, | Dance of Demons | 245 |
| Nexroth (Duke of Hell) | Non-player character | Devil, Pit Fiend, | Dragon magazine #075 | 9 |
| Nexroth (Duke of Hell) | Non-player character | Devil, Pit Fiend, | Dragon magazine #076 | 28, 29 |
| Nexroth (Duke of Hell) | Non-player character | Devil, Pit Fiend, | Monster Manual 2, AD&D 1e | 44 |
| Nexroth (Duke of Hell) | Non-player character | Devil, Pit Fiend, | Manual of the Planes, AD&D 1e | 65 |
| Nightmare {Demon Horse, Hell Horse} | Monster | Native of: Abyss, Nine Hells, Hades, Ethereal, Astral | Baldur's Gate: Descent Into Avernus, D&D 5e | 56, 77, 93, 224, 238, 239 |
| Nightmare {Demon Horse, Hell Horse} | Monster | Native of: Abyss, Nine Hells, Hades, Ethereal, Astral | Deities & Demigods (1st & 2nd printing), AD&D 1e | 132, 133 |
| Nightmare {Demon Horse, Hell Horse} | Monster | Native of: Abyss, Nine Hells, Hades, Ethereal, Astral | Dragon magazine #075 | 12, 30 |
| Nightmare {Demon Horse, Hell Horse} | Monster | Native of: Abyss, Nine Hells, Hades, Ethereal, Astral | Enemies & Allies, D&D 3.0e | 51 |
| Nightmare {Demon Horse, Hell Horse} | Monster | Native of: Abyss, Nine Hells, Hades, Ethereal, Astral | Fiend Folio, AD&D 1e | 23 |
| Nightmare {Demon Horse, Hell Horse} | Monster | Native of: Abyss, Nine Hells, Hades, Ethereal, Astral | GDQ1-7 Queen of the Spiders | 57, 69, 73, 74, 77, 82, 84, 126 |
| Nightmare {Demon Horse, Hell Horse} | Monster | Native of: Abyss, Nine Hells, Hades, Ethereal, Astral | GDQ1-7 Queen of the Spiders: Map/Monster Booklet | 15 |
| Nightmare {Demon Horse, Hell Horse} | Monster | Native of: Abyss, Nine Hells, Hades, Ethereal, Astral | Monstrous Compendium - Planescape Appendix I | 82, 83 |
| Nightmare {Demon Horse, Hell Horse} | Monster | Native of: Abyss, Nine Hells, Hades, Ethereal, Astral | MC8 - Monstrous Compendium - Outer Planes Appendix | Insert (Nightmare) |
| Nightmare {Demon Horse, Hell Horse} | Monster | Native of: Abyss, Nine Hells, Hades, Ethereal, Astral | Monster Manual 1, AD&D 1e | 74 |
| Nightmare {Demon Horse, Hell Horse} | Monster | Native of: Abyss, Nine Hells, Hades, Ethereal, Astral | Monstrous Manual, AD&D 2e | 269 |
| Nightmare {Demon Horse, Hell Horse} | Monster | Native of: Abyss, Nine Hells, Hades, Ethereal, Astral | Monstrous Manual, AD&D 2e (Premium Edition) | 269 |
| Nightmare {Demon Horse, Hell Horse} | Monster | Native of: Abyss, Nine Hells, Hades, Ethereal, Astral | Monster Manual 1, D&D 3.5e | 194, 195 |
| Nightmare {Demon Horse, Hell Horse} | Monster | Native of: Abyss, Nine Hells, Hades, Ethereal, Astral | Monster Manual 1, D&D 3.5e (Premium Edition) | 194, 195 |
| Nightmare {Demon Horse, Hell Horse} | Monster | Native of: Abyss, Nine Hells, Hades, Ethereal, Astral | Monster Manual 1, D&D 3.0e | 140-141 |
| Nightmare {Demon Horse, Hell Horse} | Monster | Native of: Abyss, Nine Hells, Hades, Ethereal, Astral | Monster Manual 1, D&D 4e (Deluxe Edition) | 196 |
| Nightmare {Demon Horse, Hell Horse} | Monster | Native of: Abyss, Nine Hells, Hades, Ethereal, Astral | Monster Manual 1, D&D 5e | 235 |
| Nightmare {Demon Horse, Hell Horse} | Monster | Native of: Abyss, Nine Hells, Hades, Ethereal, Astral | Manual of the Planes, AD&D 1e | 14, 16, 65, 66, 104, 106, 108 |
| Nightmare {Demon Horse, Hell Horse} | Monster | Native of: Abyss, Nine Hells, Hades, Ethereal, Astral | Official AD&D Coloring Album | 8 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Artifact of Evil | 47, 88, 98, 337, 341 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Baldur's Gate: Descent Into Avernus, D&D 5e | 4, 5, 6, 7, 8, 9, 10, 11, 19, 26, 32, 39, 42, 43, 44, 47, 50, 51, 75, 76, 77, 78, 79, 82, 91, 93, 97, 99, 104, 109, 110, 113, 124, 129, 132, 145, 147, 148, 149, 152, 153, 190, 212, 214, 215, 216, 220, 221, 224, 225, 226, 227, 228, 237, 238, 239, 243 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Come Endless Darkness | 40, 170, 241 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | City of Hawks | 23, 30, 34, 71, 232, 391 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | D3 Vault of the Drow (adventure) | 23 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Deities & Demigods (1st & 2nd printing), AD&D 1e | 129, 131, 133 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Deities & Demigods (3rd+ printing), AD&D 1e | 114, 116, 118 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Deities & Demigods, D&D 3.0e | 57 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Dungeon Masters Guide (Revised), AD&D 2e (Premium Edition) | 179 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Dance of Demons | 18, 44, 46, 48, 133 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Dragon magazine #062 | 31, 32 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Dragon magazine #067 | 25 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Dragon magazine #075 | 16-33 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Dragon magazine #076 | 22-44 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Dragon magazine #206 | 40, 43 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Dragon magazine #230 | 16 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Dragon magazine #230 | 16 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Dragon magazine #292 | 68, 69, 71, 72 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Dragon magazine #347 | 34 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Dragon magazine #354 | 30 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Fiendish Codex II: Tyrants of the Nine Hells, D&D 3.5e | All |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | GDQ1-7 Queen of the Spiders | 126 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Ghosts of Saltmarsh, D&D 5e | 22, 24, 169 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Greyhawk Wars: Adventurer's Book | 26 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | L3 Deep Dwarven Delve | 23 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Living Greyhawk Journal #2 | 11 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Legends & Lore, AD&D 1e | 114, 116, 118 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Monster Manual 1, D&D 5e | 66, 67 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Manual of the Planes, AD&D 1e | 21, 62, 73, 76, 77, 79, 80, 81, 82, 83, 87, 108, 109-112, 113, 114 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Night Arrant | 23 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Oerth Journal #07 | 2 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Oerth Journal #09 | 19,22,24,26,27 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Oerth Journal #10 | 87 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Oerth Journal #11 | 31,42,55 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Oerth Journal #14 | 31 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Oerth Journal #17 | 32,43 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Oerth Journal #21 | 21 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Oerth Journal #23 | 10 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Oerth Journal #24 | 44 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Oerth Journal #26 | 29 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Oerth Journal #27 | 13 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Oerth Journal #29 | 4,17,18 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Oerth Journal #30 | 13,15 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Oerth Journal #31 | 23,31 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Oerth Journal #33 | 35 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | The Glaive's Gambit, RPGA | 12 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | OP1 Tales of the Outer Planes, AD&D 1e | 72-79, 95 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Player's Handbook, AD&D 1e | 120, 121 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Sea of Death | 23, 27, 28, 64, 68, 78, 87, 90, 163, 214, 361 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | Stormwrack, D&D 3.5e | 9 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | WG8 Fate of Istus | 22 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | WGR4 The Marklands | 59 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | WGR5 Iuz the Evil | 64 |
| Nine Hells {Baator, Hell, Nine Hells of Baator} | Planar | Plane/Dimension, | World of Greyhawk boxed set (1983) | 44 |
| Nine Hells, Dukes of the (Lords of the) | People Group | Council, | Artifact of Evil | 47, 88, 96, 341 |
| Nine Hells, Dukes of the (Lords of the) | People Group | Council, | Come Endless Darkness | 39 |
| Nine Hells, Dukes of the (Lords of the) | People Group | Council, | The Glaive's Gambit, RPGA | 12 |
| Phlegethos (Fourth Layer of Hell) | Planar | Plane/Dimension, | Dragon magazine #075 | 26-30 |
| Phlegethos (Fourth Layer of Hell) | Planar | Plane/Dimension, | Monster Manual 1, D&D 5e | 68, 78 |
| Phlegethos (Fourth Layer of Hell) | Planar | Plane/Dimension, | Manual of the Planes, AD&D 1e | 74, 109 |
| Phongor (Inquisitor of Hell) | Non-player character | Devil, | Dragon magazine #075 | 9 |
| Phongor (Inquisitor of Hell) | Non-player character | Devil, | Dragon magazine #076 | 34, 36, 38 |
| Phongor (Inquisitor of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Phongor (Inquisitor of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Pyremius, Spires of (Hell Island) | Geographical feature | Mountainous, | Living Greyhawk, Living Onnwal Gazetteer, D&D 3.5e | 25, 68 |
| Rakehell Chert | Non-player character | Reference | SEE Chert (Rakehell) | |
| Red Armor of the Hellfurnaces +4 | Item | Encyclopedia Magica - Volume I | 81 | |
| Red Armor of the Hellfurnaces +4 | Item | Greyhawk Adventures | 87 | |
| Rimmon (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 9 |
| Rimmon (Duke of Hell) | Non-player character | Devil, | Dragon magazine #076 | 34, 38 |
| Rimmon (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Rimmon (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Shaobhell Ishandrenn | Non-player character | Ivid the Undying | 49 | |
| Shark, Shell | Monster | Ghosts of Saltmarsh, D&D 5e | 72, 115, 125, 126, 128, 130, 134, 136, 137, 252 | |
| Shellbones Inn (Rauxes) | Building | Inn, | WG8 Fate of Istus | 69 |
| Shelleton | Settlement | Settlement, | From the Ashes: Campaign Book | 47, 49 |
| Shelleton | Settlement | Settlement, | Oerth Journal #17 | 38 |
| Shellskin (LVL4) | Spell | Spell (Magic User), | DMGR9 - Of Ships and the Sea | 107 |
| Shelly coin - Copper pieces (Lord of Isles) | Item | Coin, | Living Greyhawk Gazetteer | 70 |
| Shelves of Despond (Avernus, The Nine Hells) | Place | Fiendish Codex II: Tyrants of the Nine Hells, D&D 3.5e | 7, 8, 10, 11, 15, 25, 39, 41, 43, 50 | |
| Silcharde (Duke of Hell) | Non-player character | Devil, | Dragon magazine #076 | 28 |
| Simeon Hellwater | Non-player character | [F4/T5], | The City of Greyhawk: Folks, Feuds and Factions | 45, 46 |
| Simeon Hellwater | Non-player character | [F4/T5], | Dragon magazine #301 | 89, 90, 92 |
| Simeon Hellwater | Non-player character | [F4/T5], | From the Ashes: References Card | #13 |
| Simeon Hellwater | Non-player character | [F4/T5], | The Adventure Begins | 126 |
| Soul Shell | Monster | Fiendish Codex II: Tyrants of the Nine Hells, D&D 3.5e | 8, 9, 10, 11, 17, 37, 38, 39, 43, 46, 49, 52, 63, 68, 133, 134 | |
| Sphandor (Duke of Hell) | Non-player character | Devil, | Dragon magazine #076 | 28 |
| Stone Shell (LVL3) (Dwarf) | Spell | Spell (Cleric), | Dragon magazine #AN3 | 84 |
| Stygia (Fifth Layer of Hell) | Planar | Plane/Dimension, | Dragon magazine #075 | 30-33 |
| Stygia (Fifth Layer of Hell) | Planar | Plane/Dimension, | Manual of the Planes, AD&D 1e | 74, 83, 109, 110, 111 |
| Stygia (Fifth Layer of Hell) | Planar | Plane/Dimension, | OP1 Tales of the Outer Planes, AD&D 1e | 73-79 |
| Stygia (Fifth Layer of Hell) | Planar | Plane/Dimension, | Pathfinder Chronicles: Campaign Setting, Pathfinder 1e | 186 |
| Tartach (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 9 |
| Tartach (Duke of Hell) | Non-player character | Devil, | Dragon magazine #076 | 22, 23 |
| Tartach (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Tartach (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Thelly Forest | Geographical feature | Woodland, | Dragon magazine #057 | 15 |
| Thelly Forest | Geographical feature | Woodland, | Greyhawk Wars: Adventurer's Book | 13 |
| Thelly Forest | Geographical feature | Woodland, | Living Greyhawk Gazetteer | 13, 21 |
| Thelly River | Geographical feature | River, | From the Ashes: Atlas of the Flanaess | 63 |
| Thelly River | Geographical feature | River, | Greyhawk Wars: Adventurer's Book | 13, 14 |
| Thelly River | Geographical feature | River, | Ivid the Undying | 13, 17, 120, 124, 124, 125, 126, 128 |
| Thelly River | Geographical feature | River, | Living Greyhawk Gazetteer | 110, 111, 139, 145, 152, 153 |
| Thelly River | Geographical feature | River, | Return to the Tomb of Horrors | 7, 8, 10, 12 |
| Thelly River | Geographical feature | River, | The Adventure Begins | 18, 26, 29 |
| Thelly River | Geographical feature | River, | The Tomb of Horrors—Greyhawk Classics Book 7 | IC |
| Thelly River | Geographical feature | River, | The World of Greyhawk Fantasy World Setting (Folio) | 16, 24, 25 |
| Thelly River | Geographical feature | River, | World of Greyhawk boxed set (1983) | 35, 53-55 |
| Titivilus (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 9, 14, 21 |
| Titivilus (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44, 49 |
| Titivilus (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65, 111, 112 |
| To Hell and Back | Adventure | OP1 Tales of the Outer Planes, AD&D 1e | 72-79 | |
| Turtle Shell Toss | Item | Ghosts of Saltmarsh, D&D 5e | 227 | |
| Zaebos (Duke of Hell) | Non-player character | Devil, Pit fiend, | Dragon magazine #075 | 9, 26, 27 |
| Zaebos (Duke of Hell) | Non-player character | Devil, Pit fiend, | Monster Manual 2, AD&D 1e | 44 |
| Zaebos (Duke of Hell) | Non-player character | Devil, Pit fiend, | Manual of the Planes, AD&D 1e | 65 |
| Zagum (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 9 |
| Zagum (Duke of Hell) | Non-player character | Devil, | Dragon magazine #076 | 34, 38 |
| Zagum (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Zagum (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Zapan (Duke of Hell) | Non-player character | Devil, Pit fiend, | Dragon magazine #075 | 9, 26 |
| Zapan (Duke of Hell) | Non-player character | Devil, Pit fiend, | Monster Manual 2, AD&D 1e | 44 |
| Zapan (Duke of Hell) | Non-player character | Devil, Pit fiend, | Manual of the Planes, AD&D 1e | 65 |
| Zepar (Duke of Hell) | Non-player character | Devil, | Dragon magazine #075 | 9 |
| Zepar (Duke of Hell) | Non-player character | Devil, | Dragon magazine #076 | 24, 26 |
| Zepar (Duke of Hell) | Non-player character | Devil, | Monster Manual 2, AD&D 1e | 44 |
| Zepar (Duke of Hell) | Non-player character | Devil, | Manual of the Planes, AD&D 1e | 65 |
| Zimimar (Duke of Hell) | Non-player character | Devil, Pit fiend, | Dragon magazine #075 | 9, 24, 25 |
| Zimimar (Duke of Hell) | Non-player character | Devil, Pit fiend, | Monster Manual 2, AD&D 1e | 44 |
| Zimimar (Duke of Hell) | Non-player character | Devil, Pit fiend, | Manual of the Planes, AD&D 1e | 65 |