"Kaidou transforms into a fire dragon, the technique is called "Great Flame Fire Dragon"
I'm sure y'all remember what happened to the last huge fire (magma, actually) dragon and what were the words Oda's editors used after my mans Zoro landed that uber epic holy shit KOH Three Dragon Style Flying Samurai Blaze
"EVEN DRAGONS CAN BE SLAYED IN A SINGLE SWING"
Also, look at what Kaido just did to the other big ass horn lmao clear hint at ZKK the climax of this arc between the Dragon God and the man who follows the footsteps of the Sword God in his very own ancestors homeland