Shikkakumon no Saikyou Kenja

His strength limited by the magical crest with which he was born, Mathias, the world`s most powerful sage, decides reincarnation is necessary to become the strongest of all. Upon his rebirth as a young boy, Mathias is thrilled to discover he`s been born with the optimal crest for magical combat on his first try! Unfortunately, the world he`s been born into has abysmally poor standards when it come...