This is part of my conversion of the Temple of Elemental Evil.
Giant Rat
Might: 1
Will: 2
Health: 3
Nature (rat): 3
Nature Descriptors: Burrowing, Hiding, Infesting
Dispositions: Flee: 4, Kill 4, Drive off 2, All else Nature + Nature Roll
Fight Weapons: Tiny size [+1s on Defend]
Special: Disease. Each time disposition is lost to an attack from a Giant Rat roll a die of fate. On a one the character hit gains the sick condition.