U - Creatures:

Undead:

     Bat:

          Archfiend (Boss)

          Vampire

Dragonman, Withering

Ghoul:

     Terror

     Under`Rot

Hand of Unrest (Boss)

Maven, Master of Unrest (Boss)

Reaper, Tomb

Skeleton:

     Corrupted

     Dragonman

     Necromancer

     Rampage

     Ripple

     Skeletal Slave

     Tainted

Vampire Slave

Zombie:

     Greater

     Lesser Slave

     Marrow`Soul

     Soul`Reaver