Oda: Exciting Wano, that will make Marineford look cute!!1
One Piece: Luffy vs Holdem, Luffy vs Urashima, Luffy vs Babanuki, Olin otw to Wano with den den mushi speed
Sales: Demon Slayer almost surpassed One Piece
Oda: I see.... One Piece is almost surpassed because we don't have enough Luffy. Let's make Luffy the chosen one, Joy Boy 2.0!!!
Not gonna surprised if Kingdom or Fairy Tail 100 Years Quest will surpass One Piece in 2020