Is Law related to Luffy? Luffy agreed, making their crews allies in a relationship (which Luffy perceives to be as practically a friendship, but Law sees as more of a professional agreement). Luffy often treats him very casually, like a good friend, something which Law usually frowns upon.
Is Law in one piece a villain? Both a friendly rival towards Luffy and hostile towards Eustass Kid, he is an infamous rookie pirate and the captain of the Heart Pirates crew that hails from the North Blue. He is part of the group of pirates known as the Worst Generation, and is a former member of the Shichibukai.
Does Law betrays Luffy? TLDR – No, Law will not betray Luffy, he will actually save Luffy’s life (for real). It is true that Law’s personallity and ideals are not so clear. He wishes to find one piece, but this will is not so strongly express if we comapre it to Luffy.
Does Law lose his arm? During the Dressrosa Arc, he wears an open black coat with a hood which features the word Corazon on the back. During his second confrontation with Doflamingo, Law’s right arm was cut off. It is later reattached by Leo and healed by Mansherry.