Just saying, all 5 Supernovas have been punching, slashing, slamming the fuck out of Kaidou, yet all he thought about is "Oden Oden Oden Enma Enma Samurai Samurai". Kaidou's obsession with Oden, and The Samurai is undeniable, and coincidentally, there's a Samurai (Ronin if you want to call him that) who's holding Oden's sword on the rooftop. It doesn't take a big brain to connect the dots. Luffy is gonna shine the most, and a Samurai (You-Know-Who) who will shine the second.
Just like how Dressrossa, an Arc which was built around Law's revenge on Doffy, had Luffy shine the most, and Law shine the second.
WCI, an Arc which was built around food and Sanji's history with the Vinsmoke, had Luffy shine the most, and Sanji shine the second.
Wano, an Arc which was built around SAMURAI, and Zoro's journey to become a monstrous Samurai like Oden that Kaidou has been waiitng for, will have Luffy shine the most, and Zoro shine the second.
Just like how Dressrossa, an Arc which was built around Law's revenge on Doffy, had Luffy shine the most, and Law shine the second.
WCI, an Arc which was built around food and Sanji's history with the Vinsmoke, had Luffy shine the most, and Sanji shine the second.
Wano, an Arc which was built around SAMURAI, and Zoro's journey to become a monstrous Samurai like Oden that Kaidou has been waiitng for, will have Luffy shine the most, and Zoro shine the second.