what you could do is to cut off and file down the trojan mohawk portion of his helmit to look more like a ghost helm, and you can ditch the pistol for an open palmed guardian crewman hand or something to make him look like hes casting a spell or warding something off.
_________________ “For the night is dark and full of terrors, but the fire burns them all away.”
That particular model looks too much like a Dire Avenger because it is a Dire Avenger Exarch build. Spend the 22.50 I think it is and pick up the Farseer with 3 Warlock kit - it is totally worth it if you have two guardians and a wraithlord or wraithguard unit. Or pick up Eldrad, all the eldar folks are all over hit nuts 24/7.
_________________ "It saddens me greatly that we must take arms against the peoples of the galaxy. By their deaths, they deny themselves the liberation that is only to be found in total surrender to the Greater Good. " - Aun'va, Master of the Undyng Spirit