Kuroobi had vaguely noticed Sig's progress, and recently, he had indeed been spurred into diligently training.
However, Sig had never displayed his full strength in front of him—losing control of his Devil Fruit obviously didn't count as "strength."
Knowing that Kuroobi had been waiting for this opportunity, Sig also adopted a boxing stance somewhat similar to his.
The two stood facing each other, steadily building up their momentum. After a while, Kuroobi was the first to lose patience. He shifted his feet and swiftly closed in on Sig.
When the two were only three steps apart, Kuroobi lowered his body, swinging the "fin blade" on his left elbow upward to the right. Sig leaned back slightly to dodge it, but Kuroobi immediately followed with a downward elbow strike, the fin blade's reverse edge slashing toward Sig...
As a Cartilaginous Fish-Man, Kuroobi had a pair of enormous fins on his arms. Consequently, his Fish-Man Karate techniques differed greatly from those of ordinary Fish-Men. Rather than throwing punches, Kuroobi placed greater emphasis on "elbow strikes," using his specially trained fins to injure his opponents.
However, Sig had seen through Kuroobi's plan from the start. He even knew that Kuroobi was charging power into his right fist as well. If Sig blocked, Kuroobi would unleash a heavy punch, but if he dodged, Kuroobi would cross both "blades" and clamp down on Sig's waist and abdomen as he exerted his strength...
Fish-Man Karate Secret Art: Pressure Point Pierce!
This was another technique Sig had developed from torture.
Instead of dodging or blocking, Sig met attack with attack. He extended his right index finger, and with Water Power reinforcing it, a roughly one-centimeter-long blue radiance extended from his fingertip. At a strange angle, he "pierced" toward the armpit of Kuroobi's outstretched left arm.
Because of