Then he reappeared directly in front of Doflamingo, fist already cocked back, the air screaming around his swollen arm. The warlord barely had time to cross his strings into a shield.
Luffy didn’t answer with words. He bit into his forearm—not his thumb, but deep into his muscular arm—and then blew . His body convulsed as air rushed into his muscles, not through his bones, but into the very tissue itself. His arm swelled grotesquely, then his legs, then his torso. Steam erupted from his skin, but this wasn't the light vapor of Gear Second. This was thick, volcanic— haki infused steam. luffy 4th gear first time episode
From the rubble, Doflamingo rose, laughing—but it was a broken laugh. His glasses were cracked. His coat was torn. For the first time in decades, he felt something he had forgotten: genuine fear. Then he reappeared directly in front of Doflamingo,
“I’ve been saving this,” Luffy muttered, biting his thumb. “For someone who really needs a beating.” He bit into his forearm—not his thumb, but
He slammed his fists into the ground, pushing himself upright. Blood dripped from his forehead, his chest heaved, but his eyes—those dark, unyielding eyes—held a fire that hadn't been there moments before.
“Gear…” Luffy growled, his voice deeper, more primal. “Fourth.”