User blog comment:Dispelling Mage/Chapter: Fairy Heart (451) - Review/@comment-26287497-20150908123806/@comment-7418318-20150912074114

He didn't.

He and all his officeres all were sure that the Giant Lacrima would only give them a few decades of magic power if they handled it the normal way.

The Giant Lacrima plus Dragon Slayer Magic were supposed to be a catalyst and a means to make the collision happen respectively, but the infinite magic was supposed to come from the Exceeds, not the Giant Lacrima.