User blog comment:Rjwstar/MGQ world`s various untold informations - Torotoro blog Q&A/@comment-26228098-20160115214727/@comment-2037710-20160117182744

@Hopeful Death: So you're saying that you simply need to have the Angel Halo in your possession to hurt angels?

@Horehorehore: There's also Ilias getting bored of making angels and deciding to work with making humans. And Alice I had the ability to develop monsters at an alarming rate. Ilias giving up on the production of angels could also be a huge factor in their small population.