Comments of chapter undefined of Court of Rebirth: The Conqueror (KnB)

I think his eyes perceive time much much slower than normal though, if the true zone makes plays at 0,01 sec which is a blink of an eye, then his eyes could perceive at 0.001 sec. like a finger snap, his plays are borderline in an instant by human standards. And it doesn't show that he could copy skills like Kise does so it most likely boosts his instinct to near ultra because of how slow the time he is perceiving relative to the normal passage of time.