Blue Glaucus Swarm

Armor Class 11

Hit Points 28 (8d8 - 8)

Speed 0 ft., swim 10 ft.

Initiative +1

Damage Resistances bludgeoning, piercing, slashing

Damage Immunities poison

Condition Immunities charmed, frightened, paralyzed, petrified, poisoned, prone, restrained, stunned

Senses passive Perception 10

Languages —

Challenge 2 (450 XP)

Sting. Melee Weapon Attack: +3 to hit, reach 5ft., one creature. Hit: 14 (4d6) piercing damage, or 7 (2d6) piercing damage if the swarm has half of its hit points or fewer. The target must make a DC 10 Constitution saving throw, taking 36 (8d8) poison damage on a failed save, or half as much damage on a successful one.