Eternal Life Across Myriad Worlds, Starting with Battle Through the Heavens

After Ji Xuan died suddenly, she successfully transmigrated and was reborn as a Heavenly Flame, only to discover that this Battle Through the Heavens world seemed a little different from the one she remembered.

By the time she could take human form and walk the world, there was no one left who was worthy of walking alongside her.

The world’s chessboard remained unchanged, but the pieces upon it were replaced. Beyond the board, players made their moves from time to time, all in pursuit of a sliver of true transcendence.

…

“I outlasted Emperor Dou Tooshe, senior! Pay up!”

“So that’s why I went from a Dou Practitioner to Dou Qi in three years?”

“Ahem. Young man, do you want to become a Dou Emperor? You have an extraordinary bone structure, and a burst of inspiration is shining from your crown…”

Years later, whenever the pointy-headed young man thought back to the day he became her disciple, his face would twist into a bitter, pained smile.

“Heh, I, Xiao Huohuo, will survive that abstract female ghost no matter what!”

…

Battle Through the Heavens???

P.S. Come on in and see the author pull off something huge!

[Single heroine + the protagonist is from the same era as the Ancient Emperor, so you can treat this as semi-original + long-lived species + world evolution + invincible]