The Backbender (Avatar: The Last Airbender) - Chapter 42 - : Fear for the first time.

I returned after 10 years.

If Xiao Yan had never lost his Dou Qi initially.If Yao Lao had died within the Soul Ring due to severe injuries.If Xiao Yan happened to join the Hall of Souls by chance.If a butterfly flapped its wings and altered the course of fate, how would the gears turn?“.... Who are you?”“Hall of Souls, Xiao Yan!”--------------------Worlds: Battle Through the Heavens, The Great Ruler.Tags: Action, Adventure, Romance, Harem, Weak to Strong, Clever Protagonist.Minor Tags: Comedic Undertone, Pets, Reincarnation, Kingdom Building.No System / No Prior Knowledge of the World.

Hope Lauren has read her share of comics. She’s seen supers around her city and even been saved by some on occasion. And she always hoped that she’d be able to join them. With Jack, her grizzled older mentor with secrets that could shake the world, and Pantheon, a new team of heroes, Hope will have to fight against monumental odds to save Oleander City. In a world of action, comedy, tragedy, and adventure, there’s plenty for a new hero to do.*Readers can expect a mostly adventure-themed superhero journey that will include a slice of life, action, and hopefully exciting world-building. It will also contain a slow-burn GL/Yuri plotline, which I'll eventually get to when I feel like it, I guess. This will be a very long story with many arcs*

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!