Swarm of Corrupted Rats

(Stranger Things: Welcome to the Hellfire Club)

Medium monstrosity, Unaligned

Armor Class12
Hit Points27 (6d8)
Speed30 ft., climb 30 ft.
STRDEXCONINTWISCHA
9 (-1) 14 (+2) 10 (+0) 2 (-4) 11 (+0) 4 (-3)
Saving ThrowsDex +4
Skills—
Damage Vulnerabilities—
Damage Resistancesbludgeoning; piercing; slashing
Damage Immunities—
Condition Immunitiescharmed; frightened; grappled; paralyzed; petrified; prone; restrained; stunned
SensesDarkvision 30 ft., passive Perception 10
Languages—
Challenge1

Traits

Death Burst.

The rat explodes when it dies. con DC 10, each creature in a 10-foot Emanation [Area of Effect] 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.