# Monsters by Habitat; Underdark Monsters *Source: Monster Manual (2024) p. 375* **Underdark Monsters** | CR | Monsters | |----|----------| | 0 | [Bat](Mechanics/CLI/bestiary/beast/bat-xmm.md), [Giant Fire Beetle](Mechanics/CLI/bestiary/beast/giant-fire-beetle-xmm.md), [Lizard](Mechanics/CLI/bestiary/beast/lizard-xmm.md), [Myconid Sprout](Mechanics/CLI/bestiary/plant/myconid-sprout-xmm.md), [Rat](Mechanics/CLI/bestiary/beast/rat-xmm.md), [Shrieker Fungus](Mechanics/CLI/bestiary/plant/shrieker-fungus-xmm.md), [Spider](Mechanics/CLI/bestiary/beast/spider-xmm.md) | | 1/8 | [Flumph](Mechanics/CLI/bestiary/aberration/flumph-xmm.md), [Giant Rat](Mechanics/CLI/bestiary/beast/giant-rat-xmm.md), [Goblin Minion](Mechanics/CLI/bestiary/fey/goblin-minion-xmm.md), [Kobold Warrior](Mechanics/CLI/bestiary/dragon/kobold-warrior-xmm.md), [Stirge](Mechanics/CLI/bestiary/monstrosity/stirge-xmm.md) | | 1/4 | [Giant Bat](Mechanics/CLI/bestiary/beast/giant-bat-xmm.md), [Giant Centipede](Mechanics/CLI/bestiary/beast/giant-centipede-xmm.md), [Giant Lizard](Mechanics/CLI/bestiary/beast/giant-lizard-xmm.md), [Goblin Warrior](Mechanics/CLI/bestiary/fey/goblin-warrior-xmm.md), [Grimlock](Mechanics/CLI/bestiary/aberration/grimlock-xmm.md), [Kuo-toa](Mechanics/CLI/bestiary/aberration/kuo-toa-xmm.md), [Skeleton](Mechanics/CLI/bestiary/undead/skeleton-xmm.md), [Swarm of Bats](Mechanics/CLI/bestiary/beast/swarm-of-bats-xmm.md), [Swarm of Rats](Mechanics/CLI/bestiary/beast/swarm-of-rats-xmm.md), [Troglodyte](Mechanics/CLI/bestiary/monstrosity/troglodyte-xmm.md), [Violet Fungus](Mechanics/CLI/bestiary/plant/violet-fungus-xmm.md), [Winged Kobold](Mechanics/CLI/bestiary/dragon/winged-kobold-xmm.md), [Zombie](Mechanics/CLI/bestiary/undead/zombie-xmm.md) | | 1/2 | [Darkmantle](Mechanics/CLI/bestiary/aberration/darkmantle-xmm.md), [Gas Spore Fungus](Mechanics/CLI/bestiary/plant/gas-spore-fungus-xmm.md), [Gray Ooze](Mechanics/CLI/bestiary/ooze/gray-ooze-xmm.md), [Hobgoblin Warrior](Mechanics/CLI/bestiary/fey/hobgoblin-warrior-xmm.md), [Myconid Adult](Mechanics/CLI/bestiary/plant/myconid-adult-xmm.md), [Piercer](Mechanics/CLI/bestiary/aberration/piercer-xmm.md), [Rust Monster](Mechanics/CLI/bestiary/monstrosity/rust-monster-xmm.md), [Shadow](Mechanics/CLI/bestiary/undead/shadow-xmm.md), [Swarm of Insects](Mechanics/CLI/bestiary/beast/swarm-of-insects-xmm.md), [Warhorse Skeleton](Mechanics/CLI/bestiary/undead/warhorse-skeleton-xmm.md) | | 1 | [Bugbear Warrior](Mechanics/CLI/bestiary/fey/bugbear-warrior-xmm.md), [Ghoul](Mechanics/CLI/bestiary/undead/ghoul-xmm.md), [Giant Spider](Mechanics/CLI/bestiary/beast/giant-spider-xmm.md), [Giant Toad](Mechanics/CLI/bestiary/beast/giant-toad-xmm.md), [Goblin Boss](Mechanics/CLI/bestiary/fey/goblin-boss-xmm.md), [Kuo-toa Whip](Mechanics/CLI/bestiary/aberration/kuo-toa-whip-xmm.md), [Lacedon Ghoul](Mechanics/CLI/bestiary/undead/lacedon-ghoul-xmm.md), [Myconid Spore Servant](Mechanics/CLI/bestiary/plant/myconid-spore-servant-xmm.md), [Ogrillon Ogre](Mechanics/CLI/bestiary/giant/ogrillon-ogre-xmm.md), [Psychic Gray Ooze](Mechanics/CLI/bestiary/ooze/psychic-gray-ooze-xmm.md), [Salamander Fire Snake](Mechanics/CLI/bestiary/elemental/salamander-fire-snake-xmm.md), [Specter](Mechanics/CLI/bestiary/undead/specter-xmm.md) | | 2 | [Carrion Crawler](Mechanics/CLI/bestiary/monstrosity/carrion-crawler-xmm.md), [Gargoyle](Mechanics/CLI/bestiary/elemental/gargoyle-xmm.md), [Gelatinous Cube](Mechanics/CLI/bestiary/ooze/gelatinous-cube-xmm.md), [Ghast](Mechanics/CLI/bestiary/undead/ghast-xmm.md), [Gibbering Mouther](Mechanics/CLI/bestiary/aberration/gibbering-mouther-xmm.md), [Grick](Mechanics/CLI/bestiary/aberration/grick-xmm.md), [Intellect Devourer](Mechanics/CLI/bestiary/aberration/intellect-devourer-xmm.md), [Mimic](Mechanics/CLI/bestiary/monstrosity/mimic-xmm.md), [Minotaur Skeleton](Mechanics/CLI/bestiary/undead/minotaur-skeleton-xmm.md), [Myconid Sovereign](Mechanics/CLI/bestiary/plant/myconid-sovereign-xmm.md), [Nothic](Mechanics/CLI/bestiary/aberration/nothic-xmm.md), [Ochre Jelly](Mechanics/CLI/bestiary/ooze/ochre-jelly-xmm.md), [Ogre](Mechanics/CLI/bestiary/giant/ogre-xmm.md), [Ogre Zombie](Mechanics/CLI/bestiary/undead/ogre-zombie-xmm.md), [Poltergeist](Mechanics/CLI/bestiary/undead/poltergeist-xmm.md), [Quaggoth](Mechanics/CLI/bestiary/monstrosity/quaggoth-xmm.md), [Swarm of Stirges](Mechanics/CLI/bestiary/monstrosity/swarm-of-stirges-xmm.md) | | 3 | [Basilisk](Mechanics/CLI/bestiary/monstrosity/basilisk-xmm.md), [Bugbear Stalker](Mechanics/CLI/bestiary/fey/bugbear-stalker-xmm.md), [Doppelganger](Mechanics/CLI/bestiary/monstrosity/doppelganger-xmm.md), [Flaming Skeleton](Mechanics/CLI/bestiary/undead/flaming-skeleton-xmm.md), [Goblin Hexer](Mechanics/CLI/bestiary/fey/goblin-hexer-xmm.md), [Grell](Mechanics/CLI/bestiary/aberration/grell-xmm.md), [Hell Hound](Mechanics/CLI/bestiary/fiend/hell-hound-xmm.md), [Hobgoblin Captain](Mechanics/CLI/bestiary/fey/hobgoblin-captain-xmm.md), [Hook Horror](Mechanics/CLI/bestiary/monstrosity/hook-horror-xmm.md), [Kuo-toa Monitor](Mechanics/CLI/bestiary/aberration/kuo-toa-monitor-xmm.md), [Minotaur of Baphomet](Mechanics/CLI/bestiary/monstrosity/minotaur-of-baphomet-xmm.md), [Phase Spider](Mechanics/CLI/bestiary/monstrosity/phase-spider-xmm.md), [Quaggoth Thonot](Mechanics/CLI/bestiary/monstrosity/quaggoth-thonot-xmm.md), [Spectator](Mechanics/CLI/bestiary/aberration/spectator-xmm.md), [Vampire Familiar](Mechanics/CLI/bestiary/humanoid/vampire-familiar-xmm.md), [Water Weird](Mechanics/CLI/bestiary/elemental/water-weird-xmm.md), [Wight](Mechanics/CLI/bestiary/undead/wight-xmm.md) | | 4 | [Black Pudding](Mechanics/CLI/bestiary/ooze/black-pudding-xmm.md), [Bone Naga](Mechanics/CLI/bestiary/undead/bone-naga-xmm.md), [Chuul](Mechanics/CLI/bestiary/aberration/chuul-xmm.md), [Ettin](Mechanics/CLI/bestiary/giant/ettin-xmm.md), [Flameskull](Mechanics/CLI/bestiary/undead/flameskull-xmm.md), [Ghost](Mechanics/CLI/bestiary/undead/ghost-xmm.md), [Juvenile Shadow Dragon](Mechanics/CLI/bestiary/dragon/juvenile-shadow-dragon-xmm.md) | | 5 | [Beholder Zombie](Mechanics/CLI/bestiary/undead/beholder-zombie-xmm.md), [Earth Elemental](Mechanics/CLI/bestiary/elemental/earth-elemental-xmm.md), [Otyugh](Mechanics/CLI/bestiary/aberration/otyugh-xmm.md), [Roper](Mechanics/CLI/bestiary/aberration/roper-xmm.md), [Salamander](Mechanics/CLI/bestiary/elemental/salamander-xmm.md), [Troll](Mechanics/CLI/bestiary/giant/troll-xmm.md), [Umber Hulk](Mechanics/CLI/bestiary/monstrosity/umber-hulk-xmm.md), [Vampire Spawn](Mechanics/CLI/bestiary/undead/vampire-spawn-xmm.md), [Wraith](Mechanics/CLI/bestiary/undead/wraith-xmm.md), [Xorn](Mechanics/CLI/bestiary/elemental/xorn-xmm.md) | | 6 | [Cyclops Sentry](Mechanics/CLI/bestiary/giant/cyclops-sentry-xmm.md), [Drider](Mechanics/CLI/bestiary/monstrosity/drider-xmm.md), [Ghast Gravecaller](Mechanics/CLI/bestiary/undead/ghast-gravecaller-xmm.md), [Hobgoblin Warlord](Mechanics/CLI/bestiary/fey/hobgoblin-warlord-xmm.md), [Kuo-toa Archpriest](Mechanics/CLI/bestiary/aberration/kuo-toa-archpriest-xmm.md) | | 7 | [Grick Ancient](Mechanics/CLI/bestiary/aberration/grick-ancient-xmm.md), [Mind Flayer](Mechanics/CLI/bestiary/aberration/mind-flayer-xmm.md), [Stone Giant](Mechanics/CLI/bestiary/giant/stone-giant-xmm.md), [Violet Fungus Necrohulk](Mechanics/CLI/bestiary/plant/violet-fungus-necrohulk-xmm.md) | | 8 | [Cloaker](Mechanics/CLI/bestiary/aberration/cloaker-xmm.md), [Fomorian](Mechanics/CLI/bestiary/giant/fomorian-xmm.md), [Spirit Naga](Mechanics/CLI/bestiary/fiend/spirit-naga-xmm.md), [Vampire Nightbringer](Mechanics/CLI/bestiary/undead/vampire-nightbringer-xmm.md) | | 9 | [Fire Giant](Mechanics/CLI/bestiary/giant/fire-giant-xmm.md) | | 10 | [Aboleth](Mechanics/CLI/bestiary/aberration/aboleth-xmm.md), [Cyclops Oracle](Mechanics/CLI/bestiary/giant/cyclops-oracle-xmm.md) | | 11 | [Behir](Mechanics/CLI/bestiary/monstrosity/behir-xmm.md), [Dao](Mechanics/CLI/bestiary/elemental/dao-xmm.md), [Mind Flayer Arcanist](Mechanics/CLI/bestiary/aberration/mind-flayer-arcanist-xmm.md) | | 13 | [Beholder](Mechanics/CLI/bestiary/aberration/beholder-xmm.md), [Shadow Dragon](Mechanics/CLI/bestiary/dragon/shadow-dragon-xmm.md), [Vampire](Mechanics/CLI/bestiary/undead/vampire-xmm.md) | | 14 | [Death Tyrant](Mechanics/CLI/bestiary/undead/death-tyrant-xmm.md) | | 15 | [Purple Worm](Mechanics/CLI/bestiary/monstrosity/purple-worm-xmm.md), [Salamander Inferno Master](Mechanics/CLI/bestiary/elemental/salamander-inferno-master-xmm.md), [Vampire Umbral Lord](Mechanics/CLI/bestiary/undead/vampire-umbral-lord-xmm.md) | ^underdark-monsters