Bofuri (The Strongest Shield Of Tensura) - Chapter 10 - Ten

Crossing into the world of Naruto, and acquiring the One Piece system, with all the powers of the world of One Piece, swordsmanship, devil fruit, domineering.

-Do you think that your fire is very powerful? I have the burning fruit.

-Do you think that your thunder is very powerful? I have a thundering fruit.

-Do you think that your otter is very powerful? I have the frozen fruit.

-Did you said you want to die? Don’t worry, I also have a nickname: Death Doctor.

- Description from Novelupdates

The Crown Prince of the Capital brought a woman back home, hiding her from sight and pampering her to the skies. Rumor has it she's just a bumpkin from the countryside, pretty but utterly useless.Capital city buzzes: Just a vase rising through beauty alone.When the college entrance examination results are released, why is the name of the national top scorer that very 'vase'?At the gathering for the Association of Painters' new apprentices, why is she standing next to the Chairman?...As various disguises are unveiled, everyone is silenced, wishing they could hide. Who the hell said she was just a vase? Stand up!A certain lady, bullied, covers her hands and cries in pain.Lord Chen comforts her: My lovely wife is so beautiful and moving, why would you bully her?People, with anger they dare not express, cover their faces.Please make it clear, who is the one being bullied!

I accidentally changed the whole world, the resurrection of the dead, genetic variation, recovery of the qi, mountain and seas reborn, land and seas expanded and evil spirits have started to appear.

Ghosts are now commonplace. Some people now have three heads and six arms. Some people have obtained martial arts techniques and ordinary people are now just cannon fodder.

Fortunately, I have acquired an ability which can make various items mutate.

books into martial arts or cultivation manuals,

fruits into precious treasures of heaven and earth or poison that you can only imagine and…

weapons, that can split the earth or gain sentience!

- Description from Novelupdates

A decision can destroy the sun, moon and stars. A finger can kill the Heavenly Overlord. While chatting, the Heaven and ten worlds can be annihilated.

A poor little kid walks out from a remote mountain area while holding the Nine Dragons and the Incredible Cauldron. With a control over the time and space eternally, he embarks on the Path to God where he defies the odds of the boundless universe gaudily by fighting against royalty and clashing with the legendary generation.