Fairy Tail: Infinite Enhancement

He traveled back to four years before the start of the Fairy Tail story, was picked up by Makarov and brought back to the guild, and possessed an infinite enhancement system - ordinary magic can also exert powerful power after dozens of enhancements. Even when facing the powerful Acnologia, he can still cause significant damage even if he does not have dragon-slaying magic.

Many years later, in this magical world, a legend will be spread: in the continent's first guild "Fairy Tail", there was once a group of extremely powerful wizards, and their leader was Sky Infinite...