One Piece: Dungeon Shop. Scamming Garp, Reward: Eight-Tails Jinchuriki - Chapter 341: The World’s Strongest! Spatial Tsunami!

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

Polishing antiques in the basement was supposed to be a punishment. When monsters arrived, it saved Emma’s life. Now sealed inside a suit of armor old when the world was young, Emma Knight will have to master newfound powers she’d long regarded as merely myth; all whilst navigating the breakdown of society and delving through dungeons in search of the truth behind the apocalypse. How’s that for a Sworded Affair? What to expect: LitRPG, Progression, Dungeons and the Apocalypse. What not to expect: Harem, Smut, Drama or Tragedy.

After being imprisoned in the basement by her mother for ten years, she ended her cruel and tragic life in death when they forced her to hand over the key to the hidden treasure. Getting reborn in her teenage years, she woke up in the bed of that terrible and powerful man. This time, she must take revenge on her enemy, and now she must live.

In the Cyberpunk era, the Corporate Alliance dominated the world, with humans and witches alike serving as corporate cash cows, enslaved by advanced technology.Changes were thus unveiled, and Xu Yang, refusing to become a corporate slave, resolved to flee. He intended to rescue the adorable yet powerful witches from the clutches of the giant corporations, embarking on a path of innovation!