Borca

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

Hold Breath. The borca can hold its breath for 2 hours.

Pack Tactics. The borca has advantage on an attack roll against a creature if at least one of the borca's allies is within 5 feet of the creature and the ally isn't incapacitated.

Multiattack. The Borca makes three attacks: one with its bite, one with its claws, and one with its tail.

Bite. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 9 (2d4 + 4) piercing damage.

Claw. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) slashing damage.

Tail. Melee Weapon Attack: +6 to hit, reach 10 ft., one target not grappled by the crocodile. Hit: 9 (2d4 + 4) bludgeoning damage. If the target is a creature, it must succeed on a DC 14 Strength saving throw or be knocked prone.