Kazekage Ninja: The Rise of the Hidden Sand - Chapter 34: Medical Ninja Reform

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

Dusk is the boundary, Yin and Yang are divided into two parts.

When the evil god’s flesh and blood crowded out from the cracks in the earth, when mountains of flesh and blood appeared everywhere.

Some people fear it, some people worship it, and some people burn incense and make offerings.

Some people also tasted it, hey, it tastes good?

As a result, flesh and blood turned into crops, and people greedily harvested, fought for, and worshiped their ancestors.

Hu Ma was reincarnated from fear, ate Tai Sui, kept a stove, went through hardships, fought for his life against evil spirits everywhere, and then…

……What? Am I the evil one?

- Description from novelbuddy

The moment when mercenary leader Kwang Hwi receives video game like abilities, the world is suddenly thrown into chaos. A thick fog envelops the Earth, bringing with it savage, otherworldly monsters. At the same time humanity has been rendered defenseless against this onslaught, as the strange fog turns most weapons to rust. With mankind spiraling towards oblivion, it is up to Kwang Hwi, with his new abilities, to save the world. Watch as Kwang Hwi leads his militia and becomes the last bastion of humanity. Will he be this world’s savior, or its conqueror?

Liu Yan, an ordinary office worker from Earth, unexpectedly traveled to a strange world.

The heroes of the ages are on the side, embarking on a journey to conquer the heavens.

- Description from novelbuddy