"Bounce-Man Form?"
Seeing the Haki patterns wrapped around Luffy's body, Zephyr quickly guessed what the move did.
"Using Armament Haki hardening to increase the tension in your rubber body, giving you more explosive power? Not a bad idea, but..."
Watching Luffy bounce up and down in his Bounce-Man Form, Zephyr swept up a gust of wind with his mechanical arm and couldn't help sneering.
"You can't even stand straight. Are you here to fight or to make people laugh?"
"You'll see in a moment."
A feverish grin spread across Luffy's face. The next instant—
Bang!!
His tremendous elasticity blasted the ground apart, sending gravel flying. Luffy shot forward at lightning speed, his right hand clenched into a fist as his wrist compressed inward layer by layer!
So fast!
Zephyr's pupils contracted in surprise. He hadn't expected Luffy to unleash an explosion of power like that!
His mechanical arm, outfitted with a large amount of Seastone, was certainly sturdy, but it was also far too heavy.
Caught off guard, Zephyr didn't have time to swing his Pulverizer, but he managed to raise his blackened left arm in front of himself.
"Gum-Gum: Ape King Gun!!"
Luffy's veins bulged as his fist, packed with terrifying elasticity, burst forward!
Bang!!
The instant his fist connected, a streak of dark-red lightning exploded!
Under the tremendous force, Zephyr's left arm twisted, and Luffy's fist drove it hard into his chest!
"Gah!"
Conqueror's Haki coating!?
Bang!!
Zephyr's eyes bulged as he spat out blood. His whole body shot backward like a cannonball, flying over a hundred meters before smashing into a red hill!
The small hill crumbled on impact, sending stones flying and billowing clouds of dust into the air!
"Cough! Cough, cough!!"
Several coughs sounded through the smoke. A gust of air swept it away, revealing