Alven Salas is a Dunmer member of the Morag Tong residing in the Sadrith Mora guild hall. She offers training (up to skill level 44) in Acrobatics, Hand-to-Hand and Sneak. He is in position of a ring known as Black Jinx.
Raven Omayn of House Telvanni wants the ring, and the search will lead to Alven. Unless the Nerevarine is a high ranking member of the Morag Tong, he will not give up the ring willingly. If below the rank of master, Alven will be insulted that Dratha would send a "mere servant" and will challenge the Nerevarine to a duel.
The following items can be obtained from Alven if killed/looted: