User blog comment:Miskos3/Fairy Tail Chapter 334: Sin and Sacrifice, Review/@comment-9970846-20130607143531/@comment-7418318-20130608092208

Which makes a nice irony. He wants to become God and yet he uses someone who could defy his own will, once he does so.

I think Orihime is kept out of the story because the author has mistakenly made her too powerfull with that line.