Quote Originally Posted by oriong View Post
Wow...this just inspired one of the weirdest ideas for an adventure ever. PC rats struggling to battle their own plague-tainted kind, epic battles against swarms of giant rats, the occasional dog, perhaps the deadly advanced house-cat.
To a point. If you put the advanced rats in tiny suits of armor of invulnerability, that damage reduction will make them immune to whatever gnaws on them at that size. Slaughter ensues.