Global Reincarnation: Only I Know the Plot - Chapter 470:

Thrust into an enigmatic world born from bloodshed; venture inside its complexities, dark-side, and always changing nature. At the center, a boy; brought up by an exiled mage, steps into a life of independence. A test to try and change his life for the better after witnessing what war can do to a person. The walk towards finding a stable living gets toppled as a unique magical element awakens. Using people, toying with emotions, doing anything and everything to get what he wants, this is the life of the next Death Reaper. Mostly emotionless, life continues as questions about his state of mind and being remains clouded behind many personas.

This isn’t the story of a single man, it’s the story of a whole world. Read as the world builds itself from the ground up. Conspiracies, evil, the dark side of humanity. In addition, tis the start of a new age; the birth of monsters – a story depicting the tales of the first heroes and demons to ever exist.

The Wielder of Death Magic isn’t a typical fantasy. The heroes don’t summon forth power from heroes of old, here, the characters are the ones who make up the myths and legends for the next generation. Amidst the turmoil, Staxius, he lives on, watching and waiting as the world grows.

After mistakenly pointing all the attribute points to the treasure drop rate, Xiao Shi found that every time he kills, he will drop an item.

A mosquito was slapped to death, and a pill fell out.

After killing an evil spirit, a cheat book fell out.

Hacking a martial artist to death will drop out the opponent’s cultivation experience.

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- Description from novelbuddy

To save a doomed fantasy world, I killed the main characters, then destroyed the game world, and fell into another timeline as the academy's top seat and rival to the protagonist.Now, I'm trying to save the world and steer it towards a better ending…But I'm the final boss.

In a world teeming with Titans, Colossals, Gigantic Monsters and Kaiju's, Erian who reincarnated makes his living collecting scraps of low-grade Defective Genetic Serum, realised he transmigrated along with his system.

Follow Erian as he grows to become the strongest Disaster Grade Titan with the help of his Titan System!