Quote Originally Posted by Arasiel View Post
Dark Passenger worth using or too big of an MP drain?
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.

Dark Passenger - Deals unaspected damage with a potency of 150 to all enemies in a straight line before you. Can only be used when succumbing to the Darkside. Dark Arts Potency: 250. Dark Arts Effect: Blind Duration: 15s.
150 pot x 2 enemies = 300 potency off GCD
250 pot x 2 enemies = 500 potency off GCD