Rot Troll

Large Giant, Chaotic Evil

AC: 16

Initiative: +1 (11)

HP: 138 (12d10 + 72)

Speed: 30 ft.

STR
18 (+4)
DEX
13 (+1)
CON
22 (+6)
INT
5 (-3)
WIS
8 (-1)
CHA
4 (-3)

Skills: Perception +3

Immunities: necrotic

Senses: darkvision 60 ft., Passive Perception 13

Languages: Giant

CR: 9 (XP 5,000; PB +4)

Habitat: Desert, Forest, Swamp, Underdark

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.

Actions

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.

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Rot Troll

Source: Mordenkainen Presents: Monsters of the Multiverse, p. 247 - Licenses and attribution