For me, I think that One Piece is going to be just a one piece swimsuit. Think about it. Oda is known for thinking outside of the box with jokes and having them come out of nowhere (Like recently, having Duval look just like Sanji's wanted poster). And since Luffy is in it for the adventure and the thrill, I think that Oda would have something like that to cement his message that in the end, a true adventure is about having true nakama with you and that having fun on the way it is all that matters. And probably because of the whole Japanese male fascination of one piece swimsuits
So what do you all think One Piece truly is?
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Quote from Klapzi
The cool part is that I never get tired of being deceived
Quote from tactics
Just because someone's head was chopped off doesn't mean they're dead. That's just silly.