What is the strongest? Is it to kill hundreds of enemies and show off your sharp edge? Or is it that after the Taoist heart is broken, it rebuilds itself in the mortal world?
He once stood at the pinnacle of strength, but collapsed due to the glimmer of light that he could not protect. The physical wounds have healed, but the holes in the soul need something else to fill.
He put down his gun and held his ordinary hands; he left the battlefield and entered the streets. He no longer lives to kill, but to seek.
During the days he spent with that girl who was like a clear spring, while feeling the simplest joys, anger, sorrows and joys in the world, his broken state of mind was glued together little by little, tempering a strength that was stronger and more tenacious than before.
It is an inward pilgrimage. In the end, he did not "become" a peerless master, but "returned" - returned to his true nature, and found the ultimate state where strength and inner peace coexist.