One Piece - I Am A Different Luffy! - Chapter 5 - 4 - Koby.

Damien Rothschild, an immortal who has lived life to the fullest for the past four hundred years, is visited by a mysterious woman who reveals the many depravities of his mischievous brother in another world.To save his brother, Damien must first travel to this other realm. However, the path becomes treacherous as he is tricked and loses everything he once had. Now, he must navigate this new world in search of his brother.This story follows a man who was granted the gift of immortality, allowing him to rise to the very pinnacle of the human race—until he was stripped of everything he held dear in a desperate attempt to save the only thing he ever truly loved.

“Master all 999,999 paths of the Grand Dao...Rule the Grand Heavenly Dao...And with the power of the Universe, Dominate all things...I am...”

“THE IMMORTAL SUPREME!”

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In the Grand Multiverse, there are gems that existed before creation they were the tools used for the creation of the multiverse.

These gems held limitless power and no one had ever gotten a hold of all of them at once. The highest person has ever gotten to possess was two of them.

But Arthur managed to get three of the most powerful gems in the universe, the Gem of Time, the Gem of Fate, and the Gem of Soul.

With this, he enacted a plan that will make him the ruler of the consciousness that rules the Grand Multiverse...the Grand Dao.

But he faced an attack he was not ready for and almost died...

Years later, he returns from another reality with most of his memories lost and gets reincarnated into the cultivation world again, and this time with one extra gem, the Gem of Space.

In this story you will not witness world domination, no...you will bear witness to something much grander. Something that has never occurred since the beginning of time.

The grand story of a man who wants to become the Sovereign of the Grand Multiverse.

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[Alternate Synopsis]

I woke up today with great expectations for my future. But something greater than my expectations happened instead. From almost getting killed in a store robbery, to witnessing something that I would only see in fiction happen before my very eyes.

And then getting transported to another world, and suddenly finding out that the dreams I had of myself being a powerful cultivator like the main characters of the cultivation novels I enjoy reading, were actually my past memories...

..to getting reincarnated after almost getting killed by the 999,999 souls that were clones of me?

“Yeah, if I wasn't sure before, then I am now.”

“I am definitely tripping!”

lexander, a young billionaire, and some of his classmates died in a school bus accident. They had another chance to reincarnate in a fantasy universe. A world of Sword and Magic. However, while everyone got a wonderful gift, Alex got two guns. One is silver-colored while the other is black. He couldn't even use magic. Even when others made fun of him, and his stats were below average, Alex was still smiling as he believes in himself. With a fiery eye, he said: “On Earth, I was one of the richest, and in this New World, I shall be the strongest.” Together with the others, they were sent to the next world to begin again. This is the story of Alex with his two guns in another world, a fantasy world. The story of his struggles until he became the strongest. The tale of a journey towards the top.

I finally managed to kill the demon lord.