Meet Cole, the Ghost of the White Spire. You may remember this character from the novel Dragon Age: Asunder. Is he a spirit or a demon? No one knows. "All Cole knows for certain is that the world is full of pain and he must find his place within it. Those who wish to restore order and help the helpless will find him a strange but unwavering ally. Those who use their power for selfish reasons may never see Cole again—if they remember that he was there to begin with."
Check his character profile here