Witcher: I Can Extract Everything - Chapter 388 - Experiment

This book is about how a famous web writer who specializes in doting genre falls in love with a Mr. cellophane writer who specializes in angst genre.

- Description from Novelupdates

Felix was reincarnated as Lindarion Sunblade, a prince of Eldorath, destined for greatness—or so they say. In a world where magic, swordsmanship, and archery reign supreme, power is everything, and the strong shape history. But strength isn’t given, it’s earned.With a System awakening within him, one that pushes his limits with deadly quests sometimes, helps him with skills, and helps with forging weapons into legendary artifacts, he refuses to be just another noble in a gilded cage.Trials await, enemies lurk in the shadows, and even among his own kind, power breeds conflict.But he will rise. Not just as a prince—but as a ruler, a warrior, and a legend over the entire world.

A strange event happened in Blue Star, a large number of Blue Star people were affected by a mysterious force, and their souls temporarily traveled to another world.

It’s a dark, weird world

Not only are the prices extremely high, but there are also many evil spirits quietly appearing. At the same time, various forces are fighting each other, and the people of the lower classes are suffering.

Yang Fangben, the attending physician of the mental hospital, also traveled through a strange incident.

Fortunately, he found that he had awakened a proficiency panel.

As long as you keep refreshing your proficiency, you can improve your own realm.

He grew up secretly, with corpses piled up under his feet, and he unknowingly embarked on a path of sagehood.

- Description from novelbuddy

A young man with an extraordinary mind is off on an exciting adventure when he mysteriously wakes up in the body of a feeble slave-guy in a different, rich in quirks world.

The main character, a selfish jerk, would use extreme means to achieve his goals. However, he never allows his base instincts to overrule his sense of decency. He always pays back both good and bad deeds.

Will his (terrible/excellent) mentality help him make a fresh start? Will he get through misfortunes and hardships of the new world?