Merrow

Large monstrosity, chaotic evil

Armor Class 13 (natural armor)
Hit Points 45 (6d10 + 12)
Speed 10 ft., swim 40 ft.

Senses darkvision 60 ft., passive Perception 10
Languages Abyssal, Aquan
Challenge 2 (450 XP)
Amphibious. The merrow can breathe air and water.

Actions

Multiattack. The merrow makes two attacks: one with its bite and one with its claws or harpoon.
Bite. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 8 (1d8 + 4) piercing damage.
Claws. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 9 (2d4 + 4) slashing damage.
Harpoon. Melee or _Ranged Weapon Attack:__ +6 to hit, reach 5 ft. or range 20/60 ft., one target. _Hit: 11 (2d6 + 4) piercing damage. If the target is a Huge or smaller creature, it must succeed on a Strength contest against the merrow or be pulled up to 20 feet toward the merrow.