Do We First See Gear 4 ((install)) - When

We don’t just see it when Luffy first uses it. We see it every time he risks himself for his crew.

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

Boundman (or Bounceman) form. This transformation is a sophisticated combination of previous techniques: Muscle Balloon: Unlike Gear 3, where he blows air into his bones, Luffy bites his forearm and blows air directly into his muscular structure. Armament Haki: He coats his limbs in dense Haki to manage the immense internal pressure, resulting in a distinct tribal-patterned appearance. Elasticity & Tension: This form allows Luffy to compress his limbs like springs to launch devastating attacks, such as the when do we first see gear 4

Gear 4th fully and trully explained! (Manga Chapter 842 spoilers)

Gear 4 is the physical manifestation of and the will to never be helpless again . We don’t just see it when Luffy first uses it

The first appearance of Gear Fourth occurs during the climax of the Dressrosa Arc, specifically in the battle against the Warlord of the Sea, Donquixote Doflamingo.

The Genesis of the Bounce: A Technical Analysis of the First Appearance of Luffy’s Gear Fourth Leo Bazooka: A massive double-palm strike

The defining characteristic of Gear Fourth, distinguishing it from previous iterations, is the mandatory use of Armament Haki (Busoshoku).