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
v4 Chapter 306 : terrible