CR 18 Monsters
18 D&D 5e monsters at challenge rating 18. Build encounters by totalling XP from this CR bucket against your party's adventuring-day budget — see the 2024 DMG's encounter rules for the new tighter formula.
Adult Sand Dragon DragonAmnizu Fiend (Devil)Amnizu (Summoner Variant) Fiend (Devil)Ancient Deep Dragon DragonAncient Mithral Dragon DragonAngel of Judgment CelestialDemilich UndeadDemilich* UndeadDirt Mournling UndeadDrow Favored Consort HumanoidFire Giant Forgecaller GiantHollow Dragon UndeadKogukhpak Fiend (Demon)Lava Keeper ElementalLord of the Hunt FeyQueen of Mammoths FeySibriex Fiend (Demon)War Machine Golem Construct