Ancient Strengthening Technique - Chapter 2461 - Nine-Mortal Steps, Seven Steps Nine Palace Crush

The world is about to be destroyed to make way for an interstellar transmission array formation. A young man journeys through the stars to save his home. A bloody fantasy adventure.

- Description from novelupdates

Crossing to One Piece world, he became Roger’s younger brother.

The Heavenly Voice was bestowed upon the world, and so the calendar of the Great Dao began. The world entered a new age of digitized cultivation. Humanity activated the immortal destiny seal to become cultivators.

Takebayashi Ryouma, a 39 years old man with hidden past, found himself in a strange white room. The gods tell him that he has died and that they are sending his soul to a different world, a world where magic exists. After living alone for 3 years, his gamer soul loses its common sense and starts along crazy routes.