Monster Synthesis Master - Chapter 8

Ethan Carter was a failed fantasy author who died overworked and bitter. When he wakes up in the world of his own unfinished novel, he finds himself reborn as Darius Wycliffe, a weak and arrogant noble fated to be killed by the protagonist, Lucien Ashford, the Archmage’s Disciple.But Ethan refuses to die so easily. Armed with his knowledge of the world’s secrets and a unique ability to rewrite spells, he dives into the forbidden magic he once created but never fully explored. As he grows stronger, he uncovers terrifying truths about the world he thought he knew.To survive, Ethan must defy destiny, master the deadliest of magics, and challenge the very hero he once wrote to be unbeatable. But what happens when the lines between hero and villain start to blur?

The celestial celestial beings who lived for more than 100,000 years were born and reborn in a small monk in a human world.
His motto: “It’s not as good as a medicinal medicine for ten years of hard work.” “Even if you practice a copper-iron bone, it’s not enough for my soldier’s attack.”

- Description from Novelupdates

What happens when, in the midst of struggling to keep up with life, you suddenly discover that you were a princess in a past life? Now, you're just a waitress with a drunken mother and a pile of bills to pay. But deep down, you know one thing: you’ll find the stupid jerk responsible for ending your royal life, no matter what it takes.Alexia POV:Then there are the spoiled, narcissistic rich jerks who think their daddy's car gives them a free pass to treat women like objects. Not today, Satan. These guys are like walking perfume ads with egos bigger than their bank accounts. I swear, they should just marry themselves—they're clearly their own type.When one of those jerks lands at my table, I can smell the entitlement from a mile away. I don't even wait for the inevitable sleazy pickup line or the “accidental” brush of their hand against mine. Nope. I pawn them off on one of the other waiters faster than you can say “unpaid rent.”

Luo Yi, a high school dropout in his original world, was isekai’d into the world of the Witcher 3. Starting out as a weak boy named Roy in the village of Kaer, Lower Posada, he was determined to grow stronger, no matter what it took. The first step toward becoming a legend was to kill. And his first kill was… a rooster. ‘You gain 1 EXP.’ Of course, Roy had his own cheat system like all the other isekai protagonists. His first step to becoming a legend started now…