Bloodworms

Description
Bloodworms, the meaner cousins of Rotworms. The green Bloodworm is in many aspects like a Rotworm, but it is longer (up to three feet!) and very poisonous. Thus it is often found near water or swamps.

Found mostly in swamps or underground.

Evolution in the Series

 * First appearance: Ultima Underworld I


 * Last appearance: Ultima Underworld II

They only appeared in the above mentioned installments and didn't change at all in them.