He attempted to commit suicide by free falling at a height of 10,000 meters to hit the ground below.
As a Yonko, Kaido is an extremely powerful individual.
He is stated to be so strong that Doflamingo, an incredibly strong fearless pirate with a powerful crew became terrified at the thought of having to face him.
But now that Doflamingo has been defeated, he lost his means of doing so.
Kaido is considered to be the strongest "creature" in the world.
Kaido (in Japanese: カイドウ Kaidō) is one of the main antagonists of the Yonko Saga and a major villain in One Piece.
He is the captain of the Beasts Pirates and one of the Four Emperors in the New World. He also tried to attack Whitebeard when he tried to save Ace but was stopped by Shanks.Luffy and Law decided to create an alliance so that they can take down one of the Yonko, Kaido.With the SAD factory on Punk-Hazard destroyed, the Straw-Hats and Law now want to destroy Kaido's SMILE factory in Dressrosa so that it can lower Kaido's army power.And at another point, Kaido slaughtered Gekko Moriah's comrades in the New World.Before the Marineford War, Kaido attacked Whitebeard but Shanks stopped the fight.After learning about Doflamingo's defeat and the destruction of the SMILE factory by the Straw Hat and Heart pirates alliance, his men tried to inform him about the news.