Rebirth and Return: the Immortal Emperor's Daily Cultivation to Immortality

[Invincible + Not Brainless + IQ Online + Behind the Scenes] Qi Yun traveled through the world of immortality and cultivated for three thousand years and finally became the Immortal Emperor. However, he accidentally died in a battle with the Demon Lord and was reborn as a junior college student. It's just that he discovered that this is an ancient martial arts! No special powers! There is no extraordinary world! The spiritual energy is still thin enough for him to break through to the golden elixir, and the way forward is blocked! Then how should he fight his way back to the world of immortality? Until the moment he broke through the foundation building and accidentally triggered the promotion of the world - the earth's aura began to revive... Since there is no way out in the world, let me bring a little shock of cultivating immortality to the world! So he started from scratch and created a prosperous world of spiritual practice! Note: There will be some cliché plots before the protagonist builds the foundation!