One Piece: The Strongest Swordsman - Chapter 53: Cerberus

In a game-like world where dungeons, monsters, and players appear.

Lilian laid on his deathbed, his life nearing its end.Surrounded by the cold quiet of a hospital room, he had spent his last months immersed in novels on his phone.One novel, in particular, had captured his heart, and he yearned to finish it before succumbing to his incurable disease.But as the end drew near, he realized he couldn't access the final volume.Helplessly, he regretted the opportunities he had missed in life.And death had finally come knocking.“If only there were another world... that could offer me a second chance,” He whispered.“If only I could live a second life... in a time when I had listened.”

I, Zatiel, Abyssal Lord, Ruler of Death and Destruction, Nightmare of Dys, have AWOKEN!!!!!.

His life contains events that can shake the universe:
-Fighting against Tiamat, Creator of Evil Dragonkind, in the first circle of hell, while billions of demons and devils butcher each other beneath them
-Start a World War against the Heavenly Race, and transform himself into a Golden Sun while he slaughters their greatest warriors, the Archangel.
-Enter the Final Gate and fight against the Outer Gods.
-Tearing the nine levels of Baator during his battles against the Prince of Evil, Asmodeus.

With his memories as a ruler of the Abyss and a Universal Existence, Zatiel will rise again.

“Master, Xingchen Zi said his master refined a treasure—a huge boat that flies in Heaven—and only his master knows how to do it. Is that true?”“It's true.” Cao Zhen glanced at the super-large flying peak beneath his feet and nodded.“Master, have you heard? The Jiao dragon on Azure Dragon Peak seems to have the potential to become a Golden Dragon!”“Just scoop up an Azure Dragon from our family's Fengshui pond and play with it. Don't interrupt me while I'm cooking.”“Master, I've heard that...”“No matter what you've heard, go to my room and look around, everything... ah, wait a moment, let your senior sister come out first.”