Good, Luffy has defeated Kaido and got a win. Kaido said only Joyboy can defeat him and Luffy (Joyboy) just defeated him.
It's now, Kaido - 4 and Luffy - 1.
Now it's time to kill Kaido. A defeat or now 8 defeats doesn't mean anything to him. He's the Yonko who introduction included the number of times he has lost during battle as a pirate. Oda didn't provide that information on any other character except Kaido. Yet, that hasn't stopped Kaido's