Top Grade Immortal Emperor in the Flower City - Chapter 763 - 772 King

The Story of One Continent ~Allison and Wil and Lillia and Treize and Meg and Seron and Everyone Else~ is one final send-off for the long-running series of novels by Keiichi Sigsawa that includes Allison, Lillia and Treize, and Meg and Seron.

As this is a sequel that involves characters from all three series, you are advised to read all of Allison, Lillia and Treize, and Meg and Seron before diving in.

Her parents died in planned accident by her uncle. They used her in every way they can. They planned to sue her so she wont take her fathers company back. They want to destroy her life making her penniless. No one knows that she is the not the same girl who was played as puppet in their hands. Five years changed her a lot. Now she is a hidden genius still acting pityfull to take revenge.

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

"The boy has no powers," they claimed.