Warlock of Oceans: My Poseidon System - Chapter 16: Dungeon: Sentient Sludge Sewers (Final)

This novel is also known as Almighty Video Game Designer

Chen Mo a game designer got sent to a parallel world with advance technology but undeveloped game concepts.

Watch as he redefines the world’s gaming industry with the games he remade from his old world.

- Description from Novelupdates

Throughout this current life of mine, I will pay no attention to my past lives, nor will I seek future lives. I wish to live vigorously, to pay back debt of gratitude and fulfill duty to avenge, to defeat valiant heroes from all species, and to proudly laugh at all the Gods and Demons of the Six Path of Reincarnation!

The future unfolded on a magnificent scale into the Interstellar Age. Humanity finally solved the space warp technology, but when humanity transported themselves into the other end, they discovered that place neither had a past nor future, nor was there any land under the starry skies……

During a party one evening in the royal palace, Rachel, the eldest daughter of Duke Ferguson, was reproached by Prince Elliot for sins she didn’t remember committing and their engagement was abandoned. Rachel informed everyone she had not committed the acts they were accusing her of, but she was dragged away out of the party venue and thrown into the palace dungeon.