MTL - The Crazy Adventures of Wu Gate - Chapter 76 Rice truth

Within a quiet and majestic pavilion, Xuan Hao slowly opened his eyes bewildered, time passed and he had quietly come to terms with his situation. He had transmigrated into a fantasy world as an elder of the Flying Sword Sect.

He was even an expert at the Nascent Soul Realm, who had the power to easily destory an entire city with a wave of his hand.
Most importantly, he had a system, but it kept wanting him to train up disciples.

«What now! I already trained up a few Celestial Immortals, what more do you want out of me? Can’t you just give me some random cultivation method that magically allows my disciples to become immortals within a few weeks?»

[Have 4 disciples achieve godhood]

[Reward: Cultivation Increase of 1 major realm]

«…»

In the vast and boundless continent Cangtu, there were ancient sects governing the Ten Old Domains, unworldly immortal clans beyond the Blue Sky, and primordial demon gods dominating the dark abyss that together created a great number of brilliant stories over the long course of the history.

This is a world where humans, demons and mysterious beasts coexist.

Humans cultivate mysterious qi. Demons cultivate corporeal bodies. Mysterious beasts cultivate soul perception.

A legend says that in the middle of an endless rainforest, there are extremely powerful existences; they are called demon kings.

Some demon kings have a tyrannical corporeal body, some are experts in illusions.
Some demon kings are proficient in magic, some can even move mountains.
Some demon kings are able to sense things thousands of miles away.

These demon kings rarely appear in the human world. Even if they emerge in the human world, they would reincarnate in human form; assimilating with mankind while seeking to breakthrough realms…

- Description from Novelupdates

“Jiang Yu transmigrates into a novel and becomes a side character in the book.