Corrupted Rat

Tiny Monstrosity, Unaligned

STR
2 (-4)
DEX
11 (+0)
CON
9 (-1)
INT
2 (-4)
WIS
11 (+0)
CHA
4 (-3)
Agile.

The rat doesn't provoke Opportunity Attacks when it moves out of an enemy's reach.

Death Burst.

The rat explodes when it dies. Constitution Saving Throw: DC 9, each creature in a 5-foot Emanation originating from the rat. Failure: 1 Acid damage.

Actions

Bite.

Melee Attack Roll: +2, reach 5 ft. Hit: 1 Piercing damage.

Find this creature in the encounter builder

Corrupted Rat

Source: Stranger Things: Welcome to the Hellfire Club - Licenses and attribution