On appearance, there seems to be no enemies in the entire ruin. As the Hero reach the end of the ruin, they will notice an Ayleid Statue. After taking the statue and beginning the journey back through the ruin, zombies appear and the Hero escape with the precious statue.
During the quest, Liberation or Apprehension?, the ruins are host to several necromancers, some zombies, and a few ghosts. There is also a push block that in order to discover the fate of Mucianus Alias, who was transformed into a zombie by the necromancers.