Kaido is just his biggest fear because he knows Kaido won't accept delays in his SMILE deliveries.
He is also shown to be deeply afraid of Kaidou, since he was aware that the Emperor would kill him if he could not provide more SMILEs for his army of Zoan users.
The fact that Doflamingo fears the sole existence of Kaido is proof enough of that. Kaido has held his own against someone like Shanks, and even Big Mom - feats that Doflamingo can't even hope to achieve.
Kaido and the Beasts Pirates: Doflamingo was an agent to Kaido. He would work with Caesar Clown to help produce the artificial devil fruits that would help Kaido raise a powerful army of zoan devil fruit users.
He simply wanted war. He wasn't going to Marinefold to help either side. He wanted in on the action and unlike Buggy who could be manipulated into fighting for a side or not fighting at all, Kaido can barely be reasoned with. He will come and start smashing anyone and everyone in his war and his crew will do likewise.
Saving Ace would have gone against Garp's loyalty to the Marines. After all, Ace was not just any pirate; he was the son of the Pirate King Gol D. Roger himself, and his execution was seen as a crucial step in the fight against piracy.
Rayleigh was not suppose to participate in the world anymore .. he had given up his pirate life and was not interested in involving with it again. Or Rayleigh did not know ace was holding.
7 Would Lose To: Zoro Is More Than Capable Of Ripping Doflamingo Apart. Doflamingo may have superhuman durability even without armament haki, but Zoro possesses the means of breaking him. During the Dressrosa campaign, Zoro proved deadly enough to slice through a mountain-sized Pica in a single motion.
Based on the ongoing saga, called the Four Emperors Saga, it is highly likely that Oda will include either Shanks or Blackbeard as the next opponents for Luffy. Given that Blackbeard is likely to challenge Luffy for the title of the Pirate King, fighting Shanks next is also a strong possibility.
The Oni are a rather mysterious race as almost nothing is known about them. They haven't been officially introduced in the series yet, but there is no doubt that they will be confirmed as a separate race, sooner rather than later. There are two known members of this race- Kaido and Yamato.
It is very likely that Shanks would be able to injure Kaido in this battle. Also, Shanks is one of the few people that Kaido believes is capable of fighting him.
1) Kaido. Kaido did in fact lose to Luffy's Gear 5 at the end of the Wano Country arc. However, keep in mind that he withstood multiple waves of strong enemies before this final encounter. Luffy was also completely worn out after the fight and fell into a coma for about a week.
Before awakening his Conqueror's Haki, Zoro wasn't even as strong as a top Yonko Commander, let alone a Yonko. Although he did fight Kaido and even managed to earn his praise, which is quite impressive, it was pretty clear that Zoro wasn't anywhere close to him in terms of either power or skill.
So it would mean that he is a dragon originally not human. And dragons can fly in the sky, walk on ground and actually swim. Thats why he cant die. He cant drown himself and he can breathe underwater.
His real name is Don Quixote Doflamingo AKA The Heavenly Demon, or "Joker" in the underworld.
Although doffys fruit is much better than Jacks Jack is just overall stronger more durable and his haki is definitely stronger than Doffy.
It is a known fact that Kaido has lost to his fellow Yonko and the Navy a combined 7 times and been captured a total of 18 times. While Kaido might be the strongest in terms of raw strength, there are definitely those who can beat him a fight. Write for Us!
Sir Crocodile was the main antagonist of the Alabasta arc of the series and the first Shichibukai that Luffy took down. Crocodile is easily one of the most difficult fights that Luffy has ever fought as he lost to him twice. In fact, Luffy would've died both the times had luck not been on his side.
1 WON'T SURPASS: DONQUIXOTE DOFLAMINGO
It is pretty obvious that when Doflamingo could not stand up to the power of Gear 4th Luffy, there's no chance of him surpassing someone like Garp in terms of strength.
Nami fought Ulti in the Wano Country arc and the two clashed on a few occasions. Although Nami successfully landed a couple of blows on her, it wasn't until she got her hand on Zeus that she finally defeated her.
Trafalgar Law with his DF power Personality Transplant Surgery he can easily defeat Doflamingo.
His skills were so great that the instructor Hack deemed there was nothing more to teach him and Sabo trained under Dragon himself until he became second-in-command. Because he forgot who Ace and Luffy were, he didn't participate in the Marineford War to attempt to save Ace.
And in conclusion, Roger did not entrust Ace to Rayleigh since that would add another burden to his first mate. That was another One Piece Theory on Roger's reason for not entrusting Ace to Rayleigh. If you find this discussion exciting, share it with your pals.
Franky never met rayleigh face to face. He might have seen him when the Roger crew arrived at water 7 but franky didn't like pirates and was too busy with his battle frankys so even if he saw Rayleigh, he probably didn't care and didn't remember his face.