All My Beasts Are Legendary - Chapter 447 - Immortal Level, able to Travel 100,000 Miles at a Go.

Struck down amid the battle, the Hero and Demon King meet their demise. As their souls linger on the edge of the afterlife, a mysterious force intervenes, merging their fragmented souls together with a new being. Rusty, the living armor, now affected by their memories and presence, embarks on his own quest. Will he seek revenge on those who betrayed the hero, or will he fulfill the desires of the fallen demon king? or instead, forge his own path?

With the revival of spiritual energy and the breakdown of the order of species, it is a difficult test whether human beings can still stand at the top of the biological chain.

(There is already an old book, The Strongest Descends in the City, you can read it.)

- Description from novelbuddy

After ten thousand years of cultivation, he could have achieved immortality. However, his lack of human experience led to his failure to attain immortality.Thus, he resolved to immerse himself in a century of human existence, seeking to enhance his journey toward immortality. What he didn’t anticipate, though, was that upon entering the human world, he would find himself cast as a son-in-law, facing disdain not only from his wife’s parents but also from his beautiful wife herself.Armed with a wealth of cultivation knowledge, how could he transform his drab human life?

Ye Yang, the 4th young master of the Ye cultivation clan, was once the weakest member of his family. His feeble cultivation and stagnant growth made him a target for bullying, and he was stripped of his chance to become clan head. While his peers surpassed him, reaching advanced stages like Qi Awakening and Meridian Opening Cultivation Stage, Ye Yang remained stuck at the 9th level of Body Tempering.Ashamed and defeated, he isolated himself from his family, refusing to meet anyone, including his mother Yu Mei and sisters Ye Ling and Ye Mu. Although his father saw him as a disgrace to the Ye family, he still tried to help Ye Yang overcome his limitations. In a desperate attempt to escape his misery, Ye Yang tried to end his life by cutting his wrist. But as he lay dying, a mysterious voice intervened:“If you don't want to live for yourself, then be mine and entertain me.”Ye Yang lost consciousness, only to awaken the next morning to a strange screen window:[Choice-based System][Welcome: Player Ye Yang]This marked the beginning of his transformation, as he embarked on a journey guided by the enigmatic System, confronting his dark past, and uncovering the secrets of his world.