Manor of Lost Souls

Manor of Lost Souls is a location in the northwestern part of Ylisse. In Paralogue 16, Nah is lost inside, trying to find her way out as Risen swarm the interior. Chrom's army arrives and rescues her. The manor has a mysterious feature of walls that constantly collapse and reform every turn during Paralogue 16. However there are also doors which can be permanently picked open by a Thief.