MTL - Realms In The Firmament - Chapter 24 Don't you say that you don't mess up?

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

He returned with a vigorous presence, equipped with a Heaven-reaching Innate Ability. He could heal, tell fortunes, refine medicines, set formations, and refine talismans… “There’s nothing in this world that I can’t do!” — Shen Feng.

After killing the Demon King and returning to Earth, the world was in chaos due to the gates. Now, I just want to take care of my people and live as I please. After all, there’s no hero party here to oppress and bind me.

Oliver West never expected his quiet life to turn into a nightmare. The boy who once shared secrets and summer adventures with him has become someone he doesn’t recognize. Keiran Morrison - tall, dangerous, and devastatingly handsome - now uses that same intensity that once made Oliver’s heart flutter to terrorize him instead.Every day at Riverside High is a battle for survival. Every corner could hide a new humiliation. Every moment of peace is just the calm before Keiran’s next storm.But why does Keiran’s hatred burn so bright? What happened to turn childhood love into adult cruelty? And why, despite everything, does Oliver’s heart still race when Keiran gets close - even when he’s terrified?Some mistakes can’t be forgiven. Some wounds run too deep to heal.But sometimes the line between love and hate is thinner than you think.