Shell Shark

AC: 18

Initiative: +1 (11)

HP: 32 (5d8 + 10)

Speed: 0 ft., swim 40 ft.

Saving Throws: Str +6

Skills: Athletics +6

Senses: darkvision 120 ft., Passive Perception 10

CR: 2 (XP 450; PB +2)

Blood Frenzy.

The shark has advantage on melee attack rolls against any creature that doesn't have all its hit points.

Magic Resistance.

The shark has advantage on saving throws against spells and other magical effects.

Water Breathing.

The shark can breathe only underwater.

Actions

Multiattack.

The shark makes two bite attacks.

Bite.

Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 13 (2d10 + 2) piercing damage.