Rat, Swarm of Rats — fantasy monster illustration. Rat, Swarm of Rats is a medium swarm (Challenge Rating 1/4).

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Rat, Swarm of Rats

Medium Swarm

AC
10
HP
14
Speed
30
CR
1/4

Armor Class 10

Hit Points 14

Speed 30 ft., swim 30 ft.


STR
8 (-1)
DEX
10 (+0)
CON
8 (-1)
INT
2 (-4)
WIS
10 (+0)
CHA
2 (-4)

Damage Resistances Swarm Resilience

Damage Immunities Swarm Resilience

Senses darkvision 30 ft.

Languages -

Challenge 1/4


Traits

Accustomed to Filth. The swarm has advantage on saves against contracting diseases.

Heightened Smell. The swarm's Perception is 15 when perceiving by smell.

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 HP or gain temporary HP.

Swarm Resilience. The swarm is resistant to bludgeoning, piercing, and slashing damage, and it is immune to the charmed, frightened, grappled, paralyzed, petrified, prone, restrained, and stunned conditions.

Actions

Bites. _Melee Weapon Attack:_ +2 to hit, reach 0 ft., one target in the swarm's space. _Hit:_ 7 (2d6) piercing damage, or 3 (1d6) piercing damage if the swarm has half of its HP or fewer. If the target is a creature, it must make a DC 9 CON save. On a failure, the target contracts the rat plague disease (see Diseased Rats sidebar) or is poisoned until the end of its next turn (the GM's choice).

Community Images

Rat, Swarm of Rats — fantasy monster illustrationPrimary
FTTHelper · auto-generated · monster · monster

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Further reading

Jetpack7 Game Master Series
The Game Master's Book of Random Encounters
Jeff Ashworth · 2020
The Game Master's Book of Traps, Puzzles and Dungeons
Jeff Ashworth · 2022
The Game Master's Book of Legendary Dragons
Aaron Hübrich · 2022