User blog comment:Kajune/Why did Lucifer come back?/@comment-26982641-20160227144824/@comment-26982641-20160228000030

He also had another angels grace unified with his own grace. Thats good because if he recovered just his own grace, he would be weaker since it was partly burned off. That is why (not canon) he doesn't have wings I think. Anyways he is still a Seraph.