Demon Slayer: I Am Invincible After Mastering the Three Colors of Haki.

[Invincible flow + system + JOJO + physical sanctification] Lin Xuan traveled through Demon Slayer and awakened the god-level achievement system. The platinum star starts the game and blows up the second string with one punch! Practice ripple qigong and become an immortal. In this world full of tragedy, he became the only variable. Ubuyashiki Yoshiya: The words of the great elder are the rules! Tanjiro: Mr. Lin's brain can break mountains! Wuxian: Lock Infinite City down quickly, that man from the demolition office is here again! Lin Xuan: What breathing techniques should you practice? Euler is finished!