Dirin Thilae  

Provides you with the "Mysterious Artifacts" Quest after completion of the previous a bloody coup and a small sampling quests. Artifacts 2 3 and 4 come from a group of vampires circling around a drained grinnin, the leader of the group is a named vampire, kill him for one artifact. The other 2 are in rubble and a coffin next to another named vampire. I am having trouble locating the First artifact.