A fort that's accumulated at least three vampires. I'm pretty sure that mayor Ast Iklistustuth, guard captain Rith Likotûthir and farmer Kûbuk Zágodkonos are all unholy creatures of the night. Possibly useful for testing how vampire-related things worked in .34.01 (.02 broke save compatibility), trying out how a vampire army would function or setting up some kind of vampire gestapo for giggles.