Rat

Rat, CR 0

Tiny beast, unaligned

Armor Class 11

Hit Points 1 ( 1d4-1 )

Spell Points

Speed 20ft

STR

2
-4

DEX

13
+1

CON

8
-1

INT

2
-4

WIS

10
+0

CHA

4
-3

Proficiency Bonus 1

Senses Darkvision 30 ft., Passive Perception 8

Languages --

Special Abilites

Keen Hearing and Smell. The rat has Advantage on Wisdom (Perception) checks that rely on hearing or smell.
Pack Tactics. The rat has Advantage on an attack roll against a creature if at least one of the rat's allies is within 5 feet of the creature and the ally isn't Incapacitated.

Actions

Bite. Melee Attack: 1d20+2 to hit, reach 5 ft., one target. Hit: 1 Piercing Damage.

Swarm of Rats, CR 1/4

Medium swarm of tiny beasts, unaligned

Armor Class 10

Hit Points 24 ( 7d8-7 )

Spell Points

Speed 30ft

STR

8
-1

DEX

11
+0

CON

8
-1

INT

2
-4

WIS

10
+0

CHA

2
-4

Proficiency Bonus 1

Damage Resistances bludgeoning, piercing, slashing

Condition Immunities charmed, frightened, grappled, paralyzed, petrified, prone, restrained, stunned

Senses Darkvision 30 ft., Passive Perception 8

Languages --

Special Abilites

Keen Hearing and Smell. The swarm has Advantage on Wisdom (Perception) checks that rely on hearing or 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 hit points or gain temporary hit points. When occupying another creature's space, that creature is considered Overwhelmed.

Actions

Bite. Melee Attack: 1d20+1 to hit, Reach 0 ft., one target. Hit: 7 ( 2d6 ) Piercing Damage or 3 ( 1d6 ) Piercing Damage if the swarm has half of its hit points or fewer.

Reactions

Scatter. When targeted with an attack, the swarm moves up to 15 feet. This movement does not provoke Opportunity Attacks.