At this point, oh, it's easy, and a human is nothing like the stars they share origin with, and Lucifer is beginning to realize that there is not, will never be fulfillment in this corrupted creation. And in this one, he pours that frustration and the desire he has to rend the squirming soul beneath his hand that he stays only to see what the outcome will be. As the loyalty he fed Lilith or the ambition he threw to Azazel, this one gluts on cruelty, and Lucifer casts aside its old name for a new one: Alastair.