Bang!
Luffy spread his legs apart and crouched halfway down, one hand resting on his knee while determination flashed in his eyes. He clenched his other hand into a fist and slammed it into the ground.
"Gear Second!!"
Thump—thump—!
With a low shout, Luffy's heart began pounding forcefully like a pump. As his blood flow accelerated, his skin gradually heated up and turned red, releasing white steam.
Seeing Luffy enter Gear Second while his ability was sealed, Reiner could not help giving him a surprised look.
"You can use Gear Second now?"
"Yeah, I just need to speed up my blood flow."
"Don't make it sound so easy."
Reiner shot Luffy a speechless sidelong glance.
Of course, he understood the principles of Gear Second. It was like taking an extremely powerful stimulant, and he could even manipulate his heart into beating faster.
But without a rubber body, the blood vessels and heart would burst from being unable to withstand that kind of blood pressure. Even with his physical constitution, he would need intense concentration and precise control to prevent that risk.
And maximizing the acceleration of blood flow within the limits his body could withstand in exchange for greater physical capabilities was clearly unsuitable in the middle of intense combat.
One careless moment of exerting too much force, and his heart and blood vessels would explode. The risks outweighed the gains; it simply was not worth it for Reiner.
But Luffy was different. Thanks to his experience and perfect mastery of Gear Second, it had practically become instinct to him. He could do it easily even in battle.
"I'm going in!"
Luffy locked his gaze on Teach, leaned slightly forward, curled his toes tightly against the ground, and explosively pushed off with both legs!
Boom!!
Luffy shot forward in an