Troll, River

Huge giant, chaotic evil

Armor Class

18 (natural armor)

Hit Points

138 (12d12 + 60)

Speed

30 ft., swim 30 ft.

Skills

Perception +5

Senses

darkvision 60 ft.

Languages

Giant, Sylvan

Challenge

9

Amphibious

The river troll can breathe air and water.

Keen Smell

The river troll has advantage on Wisdom (Perception) checks that rely on smell.

Regenerate

The river troll regains 12 hit points at the start of its turn. If the troll takes fire damage, this trait doesn't function at the start of the river troll's next turn. The river troll only dies if it starts its turn with 0 hit points and doesn't regenerate.

Siege Monster

The river troll deals double damage to objects and structures.

Actions

Multiattack

The river troll makes three attacks: one with its bite and two with its claws.

Bite

Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 10 (1d10 + 5) piercing damage.

Claw

Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 16 (2d10 + 5) slashing damage.

Drown

When a river troll hits with a claw attack it can attempt to grapple the target and drown it (DC 16 Strength saving throw). Because of its size, the river troll can attempt to drown two Large or smaller targets at the same time.