500th Time Reborn, A World Only Known By Women: The Karma System - Chapter 8 First Thing That Popped Up

She was born into a powerful family of the nobility, a blue-blooded aristocrat as capable as any man. He rose from humble origins up the military ranks, an iron-blooded knight with high ambitions. A transaction for power severed her from her childhood sweetheart. A tardy encounter was the beginning of his and her vow to meet life and death under heaven, standing shoulder to shoulder.

Political intrigue, dynastic succession struggles. He trampled through it all in the toil of becoming emperor.

Old enmities became new disputes, concerning life and death of entire families. She entered once more into the palace, changing the entire political climate of their world.

Meeting once again, they had become strangers. The peach blossom were all fallen, no more than a golden age grown cold.

- Description from Novelupdates

Ye Qiu transmigrated to a world of barren wastelands. He obtained the 10,000 Fold Return System.

Qin Shou arrives in the world of monster movies and activates an anomalous creature synthesis system, embarking on a true journey of fighting monsters and leveling up.[Marine Iguana] + [Huge Size] + [Atomic Reactor] + [Humanoid Adjustment] = [Godzilla]Ding! Godzilla similarity ten percent, reward: Intelligence Development.[Chimpanzee] + [Huge Size] + [Intelligence Development] = [King Kong]Ding! King Kong similarity fifty percent, reward: King Kong Transformation Card x1.[Bull Head] + [Deer Antlers] + [Crocodile Mouth] + [Snake Body]…+ [Anti-gravity Device] = [Divine Dragon]Ding! Divine Dragon similarity ten percent, reward: Mechanical Heart.[Mechanical Heart] + [Mecha] + [Devouring Spineworm] + [Flip Phone] = [Masked Rider Faiz]Ding! Masked Rider similarity ten percent, reward: Light Energy Converter…………[Light Energy Converter] + [???] = [Ultraman Tiga]……Three hundred years ago, the king of monsters Godzilla and King Kong fought a century battle……Two hundred years ago, alien pioneers opened a dimensional gate……One hundred years ago, the Jurassic theme park became a land without an owner……New Century 120……

An ordinary student, a wretched peeper, a cowardly teenager with a kind heart. In a terrorist attack, he inherited the knowledge of countless elites, embarked on a path of God Jagged Tu…

He is an artist!

He is a mathematician!

He is a psychology Doctor!

He is a master of fighting!

In fact, he is a man

Taken off raw site:

A wretched, dirty young man is working during the summer when he was caught up in a mysterious explosion. After that explosion, the young man is then left with the memories and knowledge of dozens of the world’s experts.

He has changed, his heart has become cold, iron-blooded. He became a killing machine, his mind turned mechanical, calculative. Everything goes according to his plans and calculations!

In this magical, slaughterous world, a door is opened for him…

- Description from Novelupdates