Mages Academy: Planet Slayers

There was an academy of young wizards, called Mage's Academy. Here they would train them to be fine mages to get accepted to one of the many guilds. New powers continue to show up, and many old ones die out, returning at the right time. One power, not seen in billion of years, returns. What will happen to the young mage holding this power? What will happen to the school? Their students? Come along with Natsu, Lucy and the rest of the gang on their adventure with the Planet Slayers.