Efreeti Stole my Baby!
Dianmeyer was originally the castle of a villainous noblewoman of the same name who liked to create torturous magical devices and test them on anyone who displeased her and found their way into her dungeons.
A party of adventurers, including the cleric Harbenigyr, eventually came to stop the woman. She met her end by one of her own machines, leaving the castle without an owner.
Now the castle is the current home of the Order of Kuan Yin, now lead by Chief Cleric Harbenigyr. The Order made it a point of righting the wrongs brought about by the previous owners and a small village has sprung up around the structure.