C1437 Burrow

Roar! Roar! Roar!

Suddenly, a large group of zombies appeared in the originally peaceful village. There were roughly a thousand of them, and there were two Crawling Corpse s, three Strong Corpse s and one Mutant Zombie.

The proportion of Mutant Zombie was basically one percent of normal zombies, of course, this was not absolute, some might be less, some might be more