Wererat

A slinking, rat-faced humanoid covered in mangy fur.

AC 13, HP 14, ATK 2 bite +2 (1d6), MV near (climb), S 1, D 2, C 1, I -1, W 1, Ch -1, AL C, LV 3

Impervious. Only damaged by silver or magic sources.

Lycanthropy. If 12 or more damage from the same wererat, contract lycanthropy.