Naruto System in One Piece - Chapter 498

To survive, the unfortunate Gong Qiying, who became the lord of the Sein Dungeon, had to make his dungeon extremely “hellish”:Doors that “cannot be opened from this side”,treasure chests “triggering teleport traps”,a three hundred and sixty-five mile journey from the starting point to the BOSS room with no place to rest,monster knights with great bows on either side of a narrow bridge,and sinister ambushes around corners.There's also unavoidable visits to poisonous pits and hidden paths...Additionally, well-known fighters like Isshin Ashina, the Furnace Knight, Rajang, and the Scourge Legion bring unexpected surprises!Various unique rewards such as the Flaming Sword, Murky Hand Scythe, Rapid Slash Longsword, Sacred Oath, and Flame Empowerment will make you too happy to contain your joy!Gong Qiying: The most important thing in my dungeon is to ensure adventurers have fun!

“Ding!”“Congratulations on receiving the following Unique Skills:-–Appraisal (Basic)–Skill Absorption (Mythic)–Universal Synthesis (Ultimate)”_____________________________________“Synthesis Skills— Swift Sword Strike + Fire Toad's Breath.”“Ding!”“Congratulations! Your Skill Synthesis was successful.”“Your skills evolved into: Azula Sword Strike.‌”“Synthesis Materials— Titanium Runic Sword + Wyvern Bones”“Congratulations! You Synthesis was successful. Your Sword has evolved into Skeletal Dragon Sword.”-----In a heart-wrenching tale of loneliness and despair, Ethan Smith's life has been one of unending tragedy. Orphaned at a young age and tormented by a relentless terminal illness, he spent his final days confined to a cold, confined hospital room.As he takes his last breath, he awakened in a mysterious void, where Ethan is given the opportunity to choose three unique skills that will define his new existence. With millions of options but only three choices, he carefully selects his path, setting the stage for an extraordinary journey after death.Reincarnated into a fantastical world filled with magical Skills, powerful beings, and untold dangers, Ethan must navigate his new life, wielding the skills he chose to survive and thrive in a realm where anything is possible.But the question remains: Will this second life bring him the happiness and purpose he was denied in his first, or will it lead him down an even darker path?

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

Ye Cheng transmigrated to Douluo Dalu where martial spirits reign supreme. Unfortunately, the martial spirit he awakened was a useless martial spirit, without even soul power. He could only be an ordinary person for the rest of his life.One day, his family was wiped out by their enemies. Ye Cheng was forced to run away while his clan gets slaughtered. He then lived for 20 years, unable to achieved anything with his useless martial spirit.Fortunately, at this time, he had awakened his cheat; He only needed to make up a persona for himself, and he could turn the power of the persona into his own. He made up a persona with twin martial spirits. When everyone believed that he had twin martial spirits, he had twin martial spirits. He made up a persona that would become a god in the future. If everyone believed that he was a god, then he would become a god!