Quote Originally Posted by Docfiord_Fowling View Post
Dark Passenger is always a DPS gain when there are two or more adds and should be used whenever it is up regardless if it has Dark Arts on it or not.
Isn't it always a DPS gain even with one target? It's an instant ability and can be squeezed inbetween GCDs, much like you should be doing with Carve & Spit, Plunge, Reprisal when it procs, and Mercy Stroke when available.