The God-Tier Enhancer

Shane awakens the D-Rank Enhancer Class, possessing a heaven-defying talent for 100% permanent Enhancement with no cost. Looked down upon by classmates, he breaks Dungeon records and is selected for the Dragon Kingdom's international team. He wins the championship by enhancing Gear, then refines the Dragon Kingdom's Regalia to injure a mutated villain. He ultimately reaches a high position.