Blood Frenzy. Obliteros has advantage on melee attack rolls against any creature that doesn't have all its hit points.
Water Breathing. Obliteros can breathe only underwater.
Bite. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit:22 (3d10 + 6) piercing damage.
An awakened Giant Shark who inhabits the harbor around Mistshore.