Undead type

A category of creatures that includes the following:
 * Arcane Blackbone
 * Arcane Skeleton
 * Blackbone Knight
 * Blackbone Marksman
 * Blackbone Thrall
 * Dread Zombie
 * Dwarf Zombie
 * Elf Zombie
 * Fallen Worker
 * Ghast
 * Ghoul
 * Halfling Zombie
 * Skeleton
 * Skeleton Archer
 * Skeleton Arcus
 * Skeleton Swordsman
 * Skeleton Warrior
 * Wight
 * Wight Priest
 * Wraith
 * Zombie