Armor Class 16 (natural armor)
Hit Points 138 (12d10 + 72)
Speed 30 ft.
Skills Perception +3
Damage Immunities necrotic
Senses darkvision 60 ft., passive Perception 13
Languages Giant
Challenge 9
Rancid Degeneration. At the end of each of the troll's turns, each creature within 5 feet of it takes 11 (2d10) necrotic damage, unless the troll has taken acid or fire damage since the end of its last turn.
Multiattack. The troll makes one Bite attack and two Claw attacks.
Bite. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 9 (1d10 + 4) piercing damage plus 16 (3d10) necrotic damage.
Claws. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) slashing damage plus 7 (2d6) necrotic damage.
Mordenkainen Presents: Monsters of the Multiverse, p. 247