When Do We First See Gear 4 Extra Quality -

A punch that can change direction in mid-air to "chase" an opponent. Leo Bazooka: A massive double-palm strike.

The first variation we see is (or Bounceman). Luffy activates it by coating his arm in Armament Haki and biting into his forearm to blow air into his muscular structure—a technique called Muscle Balloon . Unlike Gear 3, which inflates bones, Gear 4 inflates the muscles, granting Luffy immense power and the ability to "fly" by kicking the air. A Unique Design when do we first see gear 4

Monkey D. Luffy unveils this transformation during the absolute climax of the Dressrosa Arc to break the ultimate stalemate against the Warlord of the Sea, Donquixote Doflamingo. The Moment of Reveal: Dressrosa Arc A punch that can change direction in mid-air

But if you’ve been following Luffy’s journey from the East Blue, you know the real answer is much deeper. Luffy activates it by coating his arm in

Here’s a deep, reflective post on the topic:

Why did Gear Fourth appear at this specific moment? The narrative necessitated a power capable of bypassing Doflamingo’s defenses, which previous forms could not achieve.