|A sickening rodent that has a tendency to move in packs.|
Grey rats are slightly faster and more dangerous than normal rats, and often appear in packs, but are otherwise unsurprising. They are a common sight in and around the Sewers, and many spellcasting monsters can summon them to attack you.
Tips & Tricks
Don't let them surround you.
Grey rats will be removed in 0.14.