MTL - Disassembling System: Begin With Scrapyard Alchemy - Chapter 68 Dad, I rented a building

In a world ravaged by fiend beasts and spatial rifts, humans fight back using “”Soul Contracts”” to tame these creatures, turning them into protective spirit animals. Amidst this chaos, Zhou Mu, born with inadequate soul intensity and physical prowess, struggles to become an esteemed Animal Whisperer.With only a low-tier grass snake as his spirit animal and limited chances to pass the Whisperer’s test, Zhou Mu’s future looks bleak. However, an unexpected twist comes with the discovery of a mysterious system that allows him to trade personal attributes for power. As he navigates this new potential, Zhou Mu faces the challenge of overcoming his limitations and rising to power in a world where strength determines one’s fate.

A ritual gone wrong gave him the world's deadliest Class—now all he wants is blood.Zeth stole the most powerful ritual magic in the world from a mad cultist. A Class that's fueled by the blood of his enemies and human sacrifice. One that's illegal to use, punishable by gruesome death. And now that he has it, he's faced with a choice: hide away for the rest of his life from those who would hunt him down, or embrace the power, becoming the hunter to get revenge on the murderer that stole his friends' lives.For Zeth, that's no choice at all.His enemies have to die. And he plans to use every drop of blood, eldritch ritual, and demonic summoning he can to kill them.

A man was transported to Ancient China and eventually became a servant of a declining household without a male heir. He utilized his wits and modern knowledge to help the household and eventually become trapped in the sea of political turmoils of the period.

- Description from Novelupdates

Previously one of the ten greatest Martial Emperor, Gu Feiyang somehow died near the mountains of Heaven Wave.

Fifteen years later, Gu Feiyang crossed through the cycle of rebirth. He was back! But this time, he was in the body of Li Yunxiao. Since then, Li Yunxiao started a treacherous journey. The world is in turmoil once more!

- Description from Novelupdates