Swarm of Rats

Medium Swarm of Tiny Beasts, Unaligned
Armor Class: 10
Hit Points: 24 (7d8 - 7)
Speed: 30 ft.
STR
9 (-1)
DEX
11 (+0)
CON
9 (-1)
INT
2 (-4)
WIS
10 (+0)
CHA
3 (-4)


Source: Monster Manual