b'Piranha School, Medium \n'b'  Family:   Piranha School - Large  \n'b'  Medium   swarm  of Tiny beasts,  unaligned  \n'b'  Armor Class  12  Hit Points  28 (8d8 \xe2\x80\x93 8)  Speed  0 ft., swim 50 ft.\n'b' STATS STR: 11 (+0) DEX:  15 (+2)  CON:  9 (-1)  INT:  1 (-5)  WIS:  8 (-1)  CHA:  3 (-4)  \n'b'\n'b'\n'b'\n'b'\n'b'\n'b'     Damage Resistances  bludgeoning, piercing, and slashing  Condition Immunities   charmed ,  frightened ,  paralyzed ,  petrified ,  prone ,  restrained , stunned  Senses  darkvision 60 ft., passive  Perception  9  Languages  \xe2\x80\x93  Challenge  1 (200 XP) \n'b' Special Traits \n'b'   Feeding Frenzy . The swarm has advantage on  attack  rolls against creatures that do not have all their  hit points  as a result of having taken piercing or slashing damage (including from the swarm itself). \n'b'  Swarm . The swarm can occupy one or more other creatures\xe2\x80\x99 spaces and vice versa, and the swarm can move through an opening large enough for a Tiny piranha. The swarm can\xe2\x80\x99t regain  hit points  or gain  temporary hit points . While the swarm occupies the space of a Medium or larger creature, the swarm has half  cover . Weapon attacks directed at the swarm which miss, but which would have hit without the bonus from  cover , instead hit the creature sharing the space. \n'b'  Water Breathing . The swarm can only breathe underwater. \n'b'  Actions \n'b'   Bite .  Melee Weapon Attack : +4 to hit, reach 0 ft., one creature in the swarm\xe2\x80\x99s space.  Hit : 12 (4d4 + 2) piercing damage or 7 (2d4 + 2) piercing damage if the swarm has half of its  hit points  or fewer.'