I Have the Alchemy Emperor in My Head - Chapter 2468 - : Display of Strength, Windy City

Luo Zheng is at the bottom of the Luo Clan hierarchy, despite his family being the founders of a power refining technique that could instantly defeat any opponent.

One night, enraged by unfair treatment from a family steward, Luo Zheng burns the family records. In doing so, the hidden magic in the book engulfs him and Luo Zheng becomes a new skilled fighter. Fleeing his home and despicable clan, Luo Zheng must learn to harness his powers to rescue his younger sister while his own cousins are on his pursuit.

- Description from Novelupdates

[The 3000th issue of mysterious arrival is about to open! 】

【This is your only chance to redeem yourself! 】

In the global crisis, Wang Teng opens up his unique talent!

SSS-level talent – unequal exchange!

We are not zero yuan purchase!

But we are not equal exchange!

【The exchange is successful! You exchange half a box of instant noodles for endless extraction of SSS-level talents! 】

【The exchange is successful! You exchange a bottle of Sad Crisp Breeze for Douzhuanxingxiao! 】

…

Since then, Wang Teng has opened a new mode of exchange.

- Description from novelbuddy

On a random day, at a random place… I died.And by the grace of gods, got reincarnated in a world that has put a label over my head of Otaku.'Rise of the Thunder Emperor. 'Same clichè dense hero and harem of beauties involved in an Academy setting.I would have accepted my fate if I had gotten in some mob's body but no…I had to be a villain who was destined to taste the awakened power of the protagonist, firsthand.I planned to manage my life through this whole mess and if possible get that milf teacher on the way too.But why the heck this hero is behaving like he knows what I am going to do?Why are these heroines not performing their roles and turning yandere for me but not the protagonist?And the milf I tried to trap is now flirting in the middle of the whole school?Why did things turn out so hectic?___________…A/N: - Give the story at least ten chapters before you guys judge.