One Piece: King of the World - Chapter 339: Almost Knocked Marineford Over!

Waking up in a carriage, Wang discovers something was wrong. But due to weakness he finally finds himself in an ancient room. From the moment he comes to terms with his transportation, he has to do everything ti become stronger, due to fear of being killed off anytime.

As someone from Earth, where people had more freedom, he did not feel very safe in a world where slavery still existed with martial arts masters roaming around.

When he discovers the existence of an attribute panel, he decides to take the invincible road.

But things don’t go his way when he survives in the hidden realm with his family only to be ejected into an unfamiliar savage world dominated by the monster clan.

Having to protect his family and become strong while surviving in a world dominated by a simple rule, the strongest fist is the law.

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Always looked down upon by others, Ji Feng gains technology far more advanced than the present, as he discovers its abilities, he begins to walk a path far from ordinary. With X-ray vision allowing his to find jade stones in rocks. With this futuristic technology, Ji Feng accomplishes something no-one can compare to. This is the beginning of a legend.

- Description from Novelupdates

Spend life energy to infuse martial arts, and you can perform unlimited deductions.

Shen Yi’s mortal body only has a lifespan of less than a hundred years. Fortunately, he can gain his remaining lifespan by killing demons.

In the troubled times where evil spirits are everywhere, the long sword is revealed, causing the liver and gallbladder of these creatures who have lived for thousands of years to burst!

From [Eagle Claw Technique] to [Eight Desolations Splitting Heavenly Hands], from [Demon Subduing Fist] to [Golden Body Prison Suppressing Dharma Appearance]!

Shen Yi occasionally ponders, how come this lifespan is getting longer with more use?

He put the sword into its sheath, raised his eyes to the sky, and heard that there was a Jade Palace above the clouds. It was filled with thousands of saints, each of whom had experienced endless years.

This time I came to heaven just to borrow a million years from the immortals to prove my path to immortality.

- Description from novelbuddy