My Journey of Showing Off in the Myriad Worlds

This is the story of a protagonist who suddenly gains invincible power and then shows off across the Myriad Worlds!

He cultivates immortality in the Renegade Immortal world and transcends Heaven itself!

He sweeps through the forbidden zones in the Shrouding the Heavens world, restoring peace and order to the land!

And in the end, he might even build a super-magical Earth, create an Immortal Qin, become a wise old mentor, or turn into a System!

And so on, and so on!

P.S. The protagonist is invincible, invincible, invincible. Absolutely invincible. Important things have to be said three times!