Luffy did not unlock Gear Fourth through casual training. It was born from absolute necessity. Before its debut, Luffy faced Donquixote Doflamingo, a Warlord of the Sea with a terrifying mastery of his String-String Fruit. Doflamingo had already proven immune to Luffy’s Gear Second and Gear Third attacks, effortlessly blocking, dodging, or regenerating from them.
In the popular series One Piece , transformation first appears during the to defeat the Warlord Donquixote Doflamingo. Debut Details when gear 4 appear
: Chapter 784 , titled "Gear 4," which was officially released on April 27, 2015. Luffy first mentions the move in the cliffhanger of the previous chapter, Chapter 783 . Anime Debut : Episode 726 , titled " Gear 4! The Phenomenal Boundman! ," which first aired on January 17, 2016. Context of Appearance Luffy did not unlock Gear Fourth through casual training
Gear 4's Boundman appeared first in One Piece chapter #784 against Donquixote Doflamingo, then Tankman emerging from Luffy's glutt... ScreenRant Dressrosa Arc - One Piece Wiki The Dressrosa Arc is the 27th story arc of the manga and anime One Piece, both the second and last story arc of the Dressrosa Saga... One Piece Wiki 7 sites Gomu Gomu no Mi/Gear 4 Techniques | One Piece Wiki ... Statistics * Japanese Name: ギア 4 フォース * Romanized Name: Gia Fōsu. * Official English Name: Gear Four (VIZ; Simulcast subs) Fourth ... One Piece Wiki Doflamingo had already proven immune to Luffy’s Gear