Swarm of Corrupted Rats

Medium swarm of Tiny Monstrositys, Unaligned

Armor Class 12

Hit Points 27 (6d8)

Speed 30 ft., climb 30 ft.

STR

-1

DEX

CON

INT

-4

WIS

CHA

-3

Saving Throws DEX +4

Damage Resistances bludgeoning, piercing, slashing

Condition Immunities Charmed, Frightened, Grappled, Paralyzed, Petrified, Prone, Restrained, Stunned

Senses Darkvision 30 ft., passive Perception 10

Languages —

Challenge 1 (200 XP)

Traits

Death Burst. The rat explodes when it dies. Constitution Saving Throw: DC 10, each creature in a 10-foot Emanation originating from the rat. Failure: 2d4 Acid Damage. Success: Half damage.

Swarm. The swarm can occupy another creature's space and vice versa, and the swarm can move through any opening large enough for a Tiny rat. The swarm can't regain Hit Points.

Actions

Bite. Melee Attack Roll: +4, Reach 5 ft. Hit:6 (2d4 + 2) Piercing damage or 1d4 + 2 Piercing damage if the swarm is Bloodied.