Ritual of Decite: A Dragon Naping!

The party finds out that for reason's unknown to them a Dragonborn Cheiften has being kidnapped. They are sent to a ruined castle just out of town to investigate. As they enter the castle lighted by the ranger they are attacked by Spined Devils. They are dispatched quickly and they continue through the castle. In one room they find whicker furniture draped in cloth and a great piano with teeth for keys as they enter a Imp flies out of the piano and through the roof. The continued into another room and down a flight of stairs were they find a dungeon hidden behind a bared door. They enter and notice a Supernal script on the door. They enter the one of two doors and find what seems to be the Cheiften but it is really a succumbus and she quickly mind controls many of they group after a long struggle she is killed and they recieve a key. The key fits into the other jail cell were they find the real Cheiften. He thanks them and they help him escape into the sewers and back to the city but he warns them its not over yet...