User blog comment:FairyRaven/Fairy Tail Chapter 371: Tartarus Arc, Part 2: Song Of The Heavenly Dragon, Review and Commentary/@comment-183.171.173.176-20140214102950/@comment-7418318-20140214162651

Isn't "taking everything for himself" a goal for many villains?

If all the other Nine Demon Gates are defeated and Face is set off, he'd be the only one able to use magic on the entire continent and could do pretty much whatever he wants with only Zeref possibly standing in his way.