MTL - Military Technology - Chapter 18 Key algorithm

In a world governed by cultivation and power, Li Tian was once a formidable warrior, feared and respected. However, betrayal led to his untimely death. Reborn in a new realm, he awakens as a 17-year-old bastard child of a powerful family, ridiculed and ignored by those around him. Retaining the memories of his past life, Li Tian is determined to seize this second chance.As he navigates the treacherous waters of his new existence, Li Tian finds himself entangled with numerous captivating women, including his alluring stepmother, Xu Fang, and his charming fiancée, Zheng Wei. With a system that reveals his hidden desires and offers him tasks to complete, he must confront his inner struggles while forging bonds and gaining strength.Will Li Tian rise above the stigma of his birth and carve out a destiny worthy of his past glory, or will the shadows of betrayal continue to haunt him? Join him on a journey of self-discovery, love, and conquest as he seeks to transform from a mere bastard into a legendary figure of the cultivation world.

The end of all worlds approaches.

The Demon King Order harvests lives from all manners of living beings.

Within this darkness full of despair,
A single person escaped from space-time, returned to before the world collapsed, determined to change the fate of the past.

But as time pass, he gradually finds out that the Apocalypse isn’t quite as simple as he thinks…

- Description from novelupdates

Ethan wakes up expecting to see the walls of a hospital room—only to find a system message blinking in front of him:[Ding! You have killed a green worm][Ding! Green worm has been added to your summoning list]

A top hacker was chosen by the Lord God to be reborn into countless worlds, always as an expendable villain.

With no free will, every world became a dead end. Every one of his lives ended tragically.

Finally, after wresting control of the Villain System, this ace hacker decided to enact revenge. Even if his very bones were rotten, he’d choose to occupy the very heights of morality, if only on the surface.

Thus, he would change his fate as an abused slag.

- Description from novelupdates