I Became Invincible at the Start of the Apocalypse

Lin Yang is reborn before the apocalypse and gains an Invincible Combat System. In this life, he's a little lost. What is it he truly wants? Still, the first thing he does after being reborn is take revenge, finally easing the hatred in his heart. But when he witnesses the apocalypse's cruelty, he understands his true purpose. Rising from humble beginnings, he stands proud above the heavens and protects humanity.