One Piece

what is sanji's true identity in one piece
What is Sanji’s true identity in One Piece?
why did oden sacrifice himself in one piece
Why did Oden sacrifice himself in One Piece?
what is a black sword in one piece
What is a Black Blade in One Piece?
is roronoa zoro from wano in one piece
Is Roronoa Zoro from Wano in One Piece?
why cant you cross the calm belt in one piece
Why can’t you cross the Calm Belt in One Piece?