LEVEL EVERYTHING UP in my Eldritch Tribe - Chapter 8: One time level up ability

Seo Tae Hyuk, jailed after being falsely accused.

Ashen was a man from earth.His job?Nothing he just helped lonely women who didn't get enough love from their Husbands with his huge dragon of love.He didn't left any prey who he had his eyes on, whether it be Mom or daughter, all would be caught in his lustful hands.But after getting in an accident, he is reincarnated into a useless Prince's Body in a cultivation world.[Ding! Welcome Host I am the Villainous System]Ashen: “Villainous System? What is that?”[Ding! This world has innumerable protagonists but only few villains, therefore, to maintain the balance you have been brought into this world and I am here to help you in your journey]A sinister smile hanged on Ashen's lips as he muttered: “Doesn't that mean I can do all that I want”[Ding! No host, you are the useless prince now, You need to become powerful to do that]Ashen's smile retracted for a few second before appearing again: “Oh, I am a Prince? Then shouldn't I have a harem?”

In the current era, people are either normal or are with ‘special abilities’. Cases related to the latter are managed by the “National Anomaly Prevention and Control and Special Species Management Office”.
Qi Zheng Emperor Sheng Lingyuan was reawakened a thousand years later after he jumped off the fiery Red Lake. Xuan Ji, a newly transferred staff to the Reparations Division of the Deviant Control Office, finds himself having to clean up the mess of a revived tyrannical monarch. The two seemed to share something from the past, but unbeknownst to them, a big conspiracy is stirring right underneath their noses that could destroy the balance of the world.

- Description from Novelupdates

Meng Yu’s Golden Finger was called “Corruption Strengthens Tenfold, Becoming a Demon Strengthens Hundredfold,”both extremely fierce and convenient to use. “Those who consume Qi are divine and long-lived, constructing the foundation of ten-thousand generations, and on the day they achieve immortality (’Dan’), they break the self of yesteryears (’Infant’), transforming into heaven and earth, thus becoming immortals.” This is the eternally correct tale of the Qi Refinement Practitioner Meng Yu’s grand cultivation adventure.