User blog comment:IE2555/A discovery on the Official Website.../@comment-24197955-20140214150023/@comment-1330314-20140215161043

If anything, Lucian's magic is the very opposite of black magic: even before Senna's soul got captured, he dedicated his life to fighting darkness. Vayne is a witch hunter, and Lucian is a crusader against the undead. They're a perfect fit.