Scourgerats

Creature statistics
XP Value 20
Treasure Nil
Type Beast - Animal
Size Small
Climate/Terrain Any Land
Frequency Common
Number Appearing 3d6+2
Movement Speed Fast
Hit Points 1 (1d2)
Defense Score 3
Defense Target 5+
Melee Attack Score Bite/Claw 2
Attack Target 5+
Tactics Swarm
Immunity None
Resistance None
Weakness None

"A swarm of scourgerats is a churning mass of teeth, fur, and filth - too many bodies to count, too fast to stop. These vermin move as one, slipping through cracks and surging over stone like a living tide. In the dark corners of dungeons, where waste festers and corpses lie forgotten, the hungry swarm waits..."

...from the Wyrmbrand's Monstrous Archive entry 'Verminax Malifica'

Attributes

Ability scores
STR2 (1)
VIT3 (2)
DEX3 (2)
INT1 (1)
WIS2 (1)
CHA1 (1)
Additional scores
Initiative2
Awareness1
MoraleN/A