Jinhua Zhi Ren: Duzi Ta Xiang Dixiacheng De Jinjie Zhi Lu

Although Lu Xin awakens his healer talent, his healing abilities are abysmal. During a dungeon run, Lu Xin's entire team gets wiped out, leaving him as the only survivor. He activates the hidden condition "The Last High Priest" and obtains a "two-handed sword". At the same time, he activates the "two-handed sword's" development system... (Source: Bilibili Comics)