Armor Class 15 (natural armor)
Hit Points 172 (15d12 + 75)
Speed 40 ft.
Saving Throws WIS +5, CHA +2
Skills Perception +5
Damage Resistances [object Object]
Condition Immunities frightened, poisoned
Senses darkvision 60 ft., passive Perception 15
Languages Giant
Challenge 13
Regeneration. The troll regains 10 hit points at the start of its turn. If the troll takes acid or fire damage, it regains only 5 hit points at the start of its next turn. The troll dies only if it is hit by an attack that deals 10 or more acid or fire damage while the troll has 0 hit points.
Multiattack. The troll makes one Bite attack and four Claw attacks.
Bite. Melee Weapon Attack: +11 to hit, reach 10 ft., one target. Hit: 10 (1d8 + 6) piercing damage plus 5 (1d10) poison damage.
Claws. Melee Weapon Attack: +11 to hit, reach 10 ft., one target. Hit: 16 (3d6 + 6) slashing damage.
Whirlwind of Claws (Recharge 5–6). Each creature within 10 feet of the troll must make a DC 19 Dexterity saving throw, taking 44 (8d10) slashing damage on a failed save, or half as much damage on a successful one.
Mordenkainen Presents: Monsters of the Multiverse, p. 246