Behemoth Cyst

Armor Class 17

Hit Points 136 (13d10 + 65)

Speed 40 ft.

Initiative +0

Damage Resistances bludgeoning, piercing, and slashing damage from nonmagical weapons

Damage Immunities necrotic, poison

Condition Immunities frightened, poisoned

Senses blindsight 60 ft., passive Perception 12

Languages understands common and all languages it knew in life but can't speak

Challenge 16 (15,000 XP)

Multiattack. The behemoth cyst makes two claw attacks.

Claw. Melee Weapon Attack: +11 to hit, reach 5ft., one target. Hit: 15 (2d8 + 6) slashing damage plus 9 (2d8) necrotic damage.

Tentacle Barrage (Recharge 6). Melee Weapon Attack: +11 to hit, reach 10ft., all creatures within range. Hit: 19 (3d8 + 6) piercing damage plus 13 (3d8) necrotic damage.