User blog comment:Observer Supreme/Who built the Tower of Heaven?/@comment-26523876-20160125001721/@comment-26523876-20160126221758

Observer Supreme did you mean the Magical Council? I mean both of them did happen to be apart of the Magic Council. I believe the cultists were just some people who were obsessed with Zeref and reviving him so they kidnapped children. They didn't work for Hades I'm pretty sure.