Chapter 784 , titled " Gear Fourth ," published on April 27, 2015.
: His first move in this form was the Gomu Gomu no Kong Gun , which sent Doflamingo flying across the city of Dressrosa. Later Gear 4 Variations Luffy later revealed other specialized forms of Gear 4: when does luffy first use gear 4
: First used against Charlotte Cracker in Episode 806 (Chapter 842). Chapter 784 , titled " Gear Fourth ,"