Xuanhuan: I Became the Demon King's Man

"Congratulations, Host, you have obtained the Invincible System."

"Current level: You are invincible!"

"Current level: Spirit Severing Stage!"

"Current level: Qi Refining Stage!"

Zhang Ni listened to the System's prompts in bewilderment. Other people's Systems made them invincible from the start.

He, on the other hand, got weaker from the start.

And so Zhang Ni strayed further and further down the path of finding the Demon King's wife...

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.