Ghosts of Saltmarsh (5e)
Skeletal Swarm CR: 2
Large swarm of medium undead, lawful evil
Armor Class: 13 (Armor Scraps)
Hit Points: 60 (8d10 + 16)
Speed:
30 ft
Damage Vulnerabilities: Bludgeoning
Damage Resistances: Piercing, Slashing
Damage Immunities: Poison
Condition Immunities: Charmed, Exhaustion, Frightened, Paralyzed, Petrified, Poisoned, Prone, Restrained, Stunned
Senses: Darkvision 60', Passive Perception 9
Languages: -
Challenge Rating: 2
( 450 XP)
Proficiency Bonus: +2
Deafening Clatter. Creatures are deafened while in the swarm's space.
Swarm. The swarm can occupy another creature's space and vice versa, and the swarm can move through any opening large enough for a Small humanoid. The swarm can't regain hit points or gain temporary hit points.
Actions
Slash. Melee Weapon Attack: +4 to hit, reach 0 ft., one target in the swarm's space. Hit: 11 (2d8 + 2) slashing damage, or 6 (1d8 + 2) slashing damage if the swarm has half of its hit points or fewer.
This swarm of bones found rising out of the sand in Isle of the Abbey is made from the remains of several animated skeletons. A skeletal swarm alternates its appearance between partially formed humanoid shapes and a chaotic, swirling mass.