Inability? I Pile up Objects and Become Human Weapons

KitKat world, in this world, people have "spiritual energy", either the body is sanctified or the magic power is high. As a weakling with a weak body and no knowledge of magic, Yang Cong should have spent his life in a mediocre and useless way. Unexpectedly, on the day he turned eighteen, he unlocked the special ability to use the tool "spiritual energy" to strengthen himself. The gears of fate began to turn.