Barathrum
Large beast, unaligned
Armor Class 12
Hit Points 189 18d10+90
Speed
30ft
Burrow: 10ft
Damage Vulnerabilities Slashing and piercing from weapons that are magical or adamantine
Damage Resistances Bludgeoning from weapons that are magical or adamantine
Damage Immunities Poison; bludgeoning, piercing, and slashing from non-magical weapons that aren't adamantine
Condition Immunities blinded, charmed, deafened, exaustion, frightened, paralyzed, petrified, poisoned, unconsious.
Senses Blindsight 60ft (blind beyond this radius), passive Perception 10
Languages -
Challenge 11
Immutable form The Barathrum is immune to any spell or effect that would alter it's form.
Keen Smell The Barathrum has advantage on all wisdom (perception) checks that rely on smell.
Actions
Multiattack The Barathrum makes three attacks, one bite, and two fist attacks.
Fist Melee Weapon attack: +9 to hit, reach 5ft, one target, Hit 14 2d8+5 Bludgeoning damage.
Bite Melee Weapon attack: +9 to hit, reach 5ft, one target, Hit 31 4d12+5 piercing damage.