Swarm of Quippers
Medium Beast
Armor Class 13
Hit Points 28 (8d8-8)
Speed swim +40, walk +0
Challenge 1
Damage Resistances bludgeoning, piercing, slashing
Condition Immunities charmed, frightened, grappled, paralyzed, petrified, prone, restrained, stunned, unconscious
Senses darkvision 60 ft., passive Perception 8
Special Abilities
Swarm. The swarm can occupy another creatures space and move through any opening large enough for a Tiny creature. It can't gain hit points or temporary hit points.
Water Breathing. The swarm breathes only water.
Actions
Bites. Melee Weapon Attack: +5 to hit, reach 0 ft., one target. Hit: 10 (4d4) piercing damage or 5 (2d4) piercing damage if the swarm is bloodied. On a hit the swarm can use a bonus action to make a second bites attack.
Source: Level Up Advanced 5e Monstrous Menagerie · OGL/Open