Before Reiner set sail, he thought his physical abilities should meet the requirements, so he tried practicing Soru, one of the Six Powers.
Wasn't it just stomping the ground dozens of times in an instant? With enough physical strength, even a dog could do it.
Then he failed.
It was kind of bullshit, so he had Luffy give it a try.
Sure enough!
He failed too.
Then Reiner remembered that Luffy had only managed it after activating Gear Second, so he told him about his ideas for developing the Gum-Gum Fruit.
And Luffy actually mastered it!
After successfully activating Gear Second, Luffy relied on the tremendous boost to his physical abilities to use Soru as well.
It had dealt quite a blow to Reiner at the time. The gap between a martial arts genius and a talentless hack was really that huge.
Thump—!
Thump—! Luffy's calves suddenly swelled like springs, bulging outward before compressing upward.
After repeating it several times, his skin began to turn bright red, and white steam started rising from his body.
"What is that?!"
At the sight of this, everyone's attention was drawn over. Nami and the others hid behind the rocks, watching Luffy in amazement as white mist continuously poured from his body like steam from an engine.
Gear Second used the body as a pump, accelerating blood flow by forcing air through it in exchange for a temporary boost in physical ability. Ordinary people could not do it, and even if they could, their blood vessels would burst and kill them.
But Luffy could use the properties of his rubber body to perform this technique. That was why the Chainsaw Devil could not use Gear Second or its extended martial techniques.
Pumping himself full of air... did shouting encouragement count?
"Gear Second!!"
Luffy stared