MM'14 p.335, MM'25 p.366
Blood Frenzy. The Piranha has advantage on melee attack rolls against any creature that doesn't have all its hit points.
Water Breathing. The Piranha can breathe only underwater.
Bite. Melee Attack Roll: +5 (with Advantage if the target doesn't have all its Hit Points), reach 5 ft. Hit: 1 Piercing damage.

Underwater
Created for Dungeon Masters and Game Masters, World Anvil has everything you need to build your own homebrew RPG campaign setting, and run your games, either online or around the table!
Take the first step. Create your account. Your world and characters await!