Sources
CR
Type
Size
Alignment
Movement

Giant Rat

Small Beast, Unaligned

Armor Class 12
Hit Points 7 (2d6)
Speed 30 ft.
STR
7
-2
DEX
15
+2
CON
11
+0
INT
2
-4
WIS
10
+0
CHA
4
-3
Senses darkvision 60 ft., passive Perception 10
Languages
Challenge 1/8 (25 XP)

Traits

Keen Smell. The rat has advantage on Wisdom (Perception) checks that rely on 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 Weapon Attack: +4 to hit, reach 5 ft., one target. Hit:4 (1d4 + 2) piercing damage.