In a moment of clarity, Isagi realizes this is the "piece" he was missing. To beat Rin, he doesn't need to just see the field; he needs to manipulate how others see him. He begins to analyze Naruhaya’s movements, not to stop them, but to them.
As the score reaches a deadlock, Naruhaya attempts a "blind spot" maneuver—a technique where he disappears from Isagi’s field of vision by moving the moment Isagi blinks or turns his head. Blue Lock - Episode 13
Isagi and Nagi must now win a 2v2 match to reclaim a teammate and stay in the project. Their opponents are revealed: the hulking , the "King" and top scorer of Stratum 5, and the speedster Naruhaya Asahi . In a moment of clarity, Isagi realizes this