Trafalgar D. Law

He is one of twelve pirates who are referred to as the "Worst Generation". He became one of the Shichibukai during the timeskip, but his position was revoked for siding with the Straw Hat Pirates and taking down Donquixote Doflamingo, and after defeating him , go to Wano together with the Straw Hats to defeat Kaido. Law, like many other pirates, dreams of finding One Piece. Law ate the Ope Ope no Mi, a Paramecia-type Devil Fruit that allows the user to create a spherical space.[21] It can easily be considered one of the most powerful Devil Fruits, as Law with his powers can practically control everything within the spherical space called Room and even teleport by changing places with an object of any size.[15] He has also shown to be able to apply his ability to medical purposes, as seen when he cured the giant children of their addiction brought on by Caesar's drugs.[22] Law seems to have mastered his power to such an extent, that he could even slice Vergo, a person capable of fully imbuing his body with an advanced stage of Busoshoku Haki, the Busoshoku Kok, in half. Law was not only able to cut Vergo, he was able to cut a large mountain in the same cut that he cut Vergo.[23] The technique's weakness seems to be the concentration required to use it; Law must gesture with his hands to center the effects on his victims, which can allow an opening for a fast enough opponent such as Doflamingo. His abilities also deplete his strength the more he uses them. Furthermore, given Law's strategic nature, he seems to have a strong tendency to preserve every bit of his stamina in preparation before facing powerful opponents such as Doflamingo.