What if Il Ilah isn't a completely nonsentient blob of magoi? What if it's a collection of everybody's rukh? What if the Great Flow returns to it, so it's a collection of everybody's will but it's driven by the one that assimilated with it. Wasn't it running out of rukh on Alma Torran before Solomon assimilated with it. Comparing to Inuyasha - The Jewel and Naraku's mass of demons body.