Luffy has adapted Gear 4th into three specialized versions based on his opponent's fighting style:
After his initial fight with Doflamingo proves difficult and he is temporarily incapacitated by the villain's string powers, Luffy is healed by Princess Mansherry. He returns to the battlefield to buy time for the citizens of Dressrosa to escape. Realizing Doflamingo is too strong for his standard forms, Luffy activates Gear Fourth for the first time. luffy 4th gear episode
Before Episode 726, Luffy and Trafalgar Law were pushed to their absolute limits by Donquixote Doflamingo. The Heavenly Demon's "Birdcage" was rapidly shrinking, threatening to slice the entire island of Dressrosa and its citizens to pieces. Luffy has adapted Gear 4th into three specialized
: Luffy coats his arms in Armament Haki , bites into his forearm, and blows air directly into his muscles. Before Episode 726, Luffy and Trafalgar Law were