The Male Lead’s Substitute Wife - Chapter 45 - Sun Qin

A teenager who obtained a life simulator, with the help of the life simulator, went from an inexperienced martial artist to the peak of cultivation, seeking immortals and chasing gods, paving the way for all living beings, and eventually becoming a generation of Taoist ancestors. [Avenue is fifty, Tianyan is forty-nine, escape to one of them! Therefore, everything in the world has a chance of life! ]

Sixteen years old: You broke through the ninth-rank martial artist, in order to deter all the enemies with ulterior motives.

Two hundred years old: You broke the bondage of heaven and earth, opened the body of the gods, and witnessed the way of immortals.

Three hundred years old: You realize the nature of heaven and earth, and prove the way of heaven and immortals.

Seven hundred and eighty-six years old: You have five proofs of the immortal way, one step to the sky, and the position of the monarch.

…

After countless simulations, [You have opened up an immortal path for all sentient beings and are respected as the Taoist ancestor. ]

- Description from novelbuddy

Transmigrated to become a disciple of the demon sect, relying on the technique modifier to become a giant of the demon path.

[Detected the technique “Blood Nerve”, relying on devouring blood to cultivate]

[Side effect: easily affected by the spirit contained in the blood, becoming bloodthirsty, murderous, insane, and even brain dead]

[Please wait, system modification is in progress…]

[Ding! Modification completed and side effects canceled]

I am the sword.

Killing a man amidst a thousand miles, no one dares take ten steps.
Killing a man amidst a thousand miles, no one can take ten steps.
Killing a man amidst a thousand miles, ten steps? Not possible!

I am the sword, the sword is me,
On the path towards heaven, each shall wield their own.

- Description from Novelupdates

“Future Occupation…Demon King.”

Sai Akuto enters Constant Magic Academy to be useful to society and to become a top-ranked national magician. However, a horrible prediction is made on his first day. Thanks to this prediction, the class representative girl hates him, a girl with a mysterious power embraces him, a female artificial human is sent by the empire to observe him, and his school life is otherwise thrown into chaos…