The Rise of the White Lotus - Chapter 4 pretty useless

In a world where human and monsters relied on mystical fruits and their inner power to fight for dominance, a lost soul was thrown, given the powers from all the other worlds he’s known. But there was a catch; he had no control over what power he would get! With knowledge beyond that of most, he sails his path to the top of the one piece world!

- Description from Novelupdates

Lu Changsheng, who traveled through time and became an apprentice in the Miaoshou Garden, originally wanted to work hard to be a generation of genius doctor who can help the world. But when he started to practice martial arts, he found that every time he practiced a martial art to perfection, he could improve his understanding.

Moreover, understanding seems to be able to improve all the time. Lu Changsheng wanted to know, where is the upper limit of comprehension?

Unremarkable: Slightly better than crap.

The posture of the middle man: obscuring everyone without knowing it.

Possesses great potential: Xiao He has just shown her sharp corners.

Qianlong in the Abyss: Flood Dragons Come Out of Shallow Water!

Praise from all sides: Show your sharpness, unstoppable!

Dragon and phoenix among men: The name of genius spreads all over the world!

Praise for centuries: Founding a sect and establishing a sect, calling the sect and being the ancestor!

A born sage: astonishing the past and the present, unsurpassed!

There is no one in all ages: there is no one before and no one after!

Top savvy: unspeakable, unseen, unheard!

…

The finished volumes of “Mage Profound Truth”, “Eternal Martial Arts”, “Longevity Seed”, “Old Master” and “Survival Seed” are all excellent works, produced by Lao Yue, they must be excellent!

- Description from novelbuddy

Hypnosis, Time Stop, Eyes of Lust...Just why do I have these skills?!After almost dying, he was reborn as the demon king of lust.Since the world is against him, there was no reason for him to be a good person. Especially since the entire world was hunting him down in the first place.So he decided that he would destroy the world in his own way as the demon king.

The world had changed when the System arrived, alongside the Cataclysm that filled the world with monsters. The technology was gone, replaced by classes and skills that allowed the people to fight back. When Devon ended up as a Blacksmith, a class that didn’t grant Intelligence, he had to face the reality, that his old career that he loved - mathematical sociologist - was over. Instead, he had ended up as yet another discarded member of the production class, overshadowed by the existence of the System Shops to the point of total marginalization. But, what if all he needed was to reapply his scientific thinking to the System...