[Quite satisfied with her reaction, Edge turns back to her with a smile that may be hidden but shines through nonetheless.]

Black magic is primarily destructive and inimical. White magic heals and purifies. There's probably a fundamental difference I don't know, because most mages can only use one or the other. Ninjutsu is, I'm told, similar to black magic, but refined for the ninjas of Eblan alone to master!