In what episode does Luffy defeat Doflamingo?

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Luffy Defeats Doflamingo in Episode 733 Of the Anime One Piece with the title: “Attack on a Celestial – Luffy’s King Kong Gun of Anger”. 

 

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Episode Summary:

Gatz announces Luffy’s comeback and the people of Dressrosa cheer him on. The fight between Luffy and Doflamingo resumes with Doflamingo inflicting damage to Luffy using his string arrows. Rebecca gets targeted but gets saved by Law. After consecutive attacks by the Shichibukai, Luffy is sent flying into a rock mass where Doflamingo manages to attach his strings to him and take control of his body. Luffy then decides to transform into Gear Fourth and breaks free form Doflamingo’s control.

Luffy using Haki Luffy vs Doflamingo

Luffy blasts off in the air and Doflamingo follows him. After a small quarrel between the two, Luffy unleashes his new attack “King Gong”. Doflamingo prepares to counter with a web like string as defense and his sixteen bullets of string (Sixteen Holy Bullets) as his means of attacking. The two attacks collide which sends shockwaves across all of Dressrosa and out to the sea. Luffy’s attack turns out to be stronger and breaks through. The impact from King Gong sends Doflamingo flying through the ground beneath him. With this single attack Luffy manages to defeat Doflamingo as he became incapacitated.

King Gong Luffy vs Doflamingo Clash Doflamingo