Red eyes indicate the activation of a fighter's Combat Assistance System.
However, the vivid red in a fighter's eyes only lasts for an instant before disappearing. If the activation of this system constantly resulted in red eyes, anyone could discover it; sunglasses could not even block this kind of bright 'glare'.
In the second when the red light flashed, subtle changes occurred in the fighter's body. Adrenaline surged, all the neurons were strengthened and synchronized as Little Two needed to take necessary control over the fighter's body. Even a fighter with an attribute of two hundred could withstand it, but there might inevitably be a delay. So, modifications, checks, and enhancements had to be made to fully harness the full strength of a fighter with an attribute of two hundred.
