I have a wildlife zoo - Chapter 691 - 690: Butterfly Exhibit Design

Warning: This novel contains explicit adult content, violence, and a ruthless anti-hero MC. Read at your own risk.I was the strongest player in the world—until they betrayed me.When I woke up, I wasn’t a player anymore. I was just an NPC. A nameless mob, doomed to be farmed for EXP and discarded like trash.But then, I heard it:(You have been killed.)(Unique Skill Activated: Infinite Resurrection.)(Each death makes you stronger.)Every time a player slaughters me, I steal their stats, their skills, and their power. I evolve beyond the system’s control, beyond the limits of this world.They thought I was nothing.They thought they could use me, farm me, erase me.Now, I am the final boss—and I will make them suffer.On the battlefield, and in my bed.They will submit. One way or another.

Born with the fate of a slaughterer, but all he wanted to do was help.

A man who was once called the world strongest agent ended up becoming a teacher after his retirement to train the new generation of agents. After many years of training his disciples, he is killed at the age of 60 by the ploy of a secret organization and was reincarnated in another world with all his past memories.Though he was surprised by the magic and the strange species of that world, he adapted very fast to his condition as a newborn and took advantage of it. He acquired special magic and gained a massive amount of strength thanks to his tight discipline in order to reach his goal: resume his career as a teacher which he left halfway through in his previous life.This is the story of a man who based on the memories and the experiences of his previous life, became a teacher who travels through the world with his new students.

A supreme expert in the Immortal World had died, and a strand of his soul returned to its original body on Earth. Tang Xiu discovered with amazement that ten thousand years passed in the Immortal World, yet only a single year passed on Earth.

Ruthlessly betrayed by his lover and trusted friends, Tang Xiu found that his soul went back to his previous body on Earth, and, despite he spent 10,000 years in the Immortal World, just a year has passed on Earth and many things have changed. Having an unsurpassed knowledge, Tang Xiu will protect his loved ones and go back to the Immortal World to take his revenge.

- Description from Novelupdates