Kaido Himself Has 5 Elites In His Mind Capable Of Fighting Him ...
A fan theory about a Dark Sun God in One Piece hints at the return of Kaido in the Elbaph arc but in another unexpected form.
The last time we had seen Luffy, he seemed like the one poised to finally take down Kaido. With the other Supernovas leaving the roof of the dome, Luffy chose to keep fighting against Kaido.