Mystery Descends: My Exchanges Are Not Equal - Chapter 6: Upgrade! Power Surge!

“You will suffice.”Raizen heard those words the night something chose him to survive.He doesn't know what whispered inside his head. He doesn't know why. But ever since that night, his life hasn't been entirely his own. Something marked him.Now he walks a beautiful world built on even prettier lies, where Eon turns desperation into miracles, Luminite weapons twist the laws of what's possible and what's not, and where humanity has been fighting creatures of shadow - Nyxes - for as long as anyone can remember. Though sometimes, the cruelest of enemies aren't made of darkness at all...But Raizen is starting to realize: the monsters aren't the only things hunting him.Something primordial is watching. Waiting. Pulling strings he can't see.If he wants to survive, he needs to get stronger.If he wants answers, he must become someone even the nightmares fear....But to win?He may have to end anything in his path - and pray he doesn't give the whisper exactly what it wanted all along.

An internet troll who wanted attention, the reader criticized his favorite web novel, saying: “The protagonist is dumb and the author is stupid.”

Let’s fight! Go! Who am I afraid of with a chip that turns into a brain cell? ! Get promoted and get rich! The nest treasures are all mine!

- Description from novelbuddy

Wu Lai was an ordinary high school student. One day he was struck by a flash of lightning from a different world, and suddenly entered a fantastic world full of magic and swords. Since then, he started a totally new life. In this supernatural world, he had his ups and downs, experienced numerous battles, subdued powerful evil beasts, and fell in love with a belle. His nickname “Demon King” was remembered throughout the ages there.

Stay or return was a question. In the face of this choice, Wu Lai, with the nostalgia and gratefulness for the original world, finally chose to stay…

Here was the legend of “Demon King”…

- Description from Novelupdates