That's insane, how could we be on the same level with both his arms injured? Grey asked himself in disbelief. It took all his concentration to just watch out for the kicks and block it. He didn't even have the luxury to breathe.
And Red wasn't slowing down either. He bombarded Grey with attacks so he won't have a single opening. Grey didn't know it but this was the only thing Red could do to minimize Grey's movements so he could force him in a defensive state for as long as the fight dragged on. This way, Red would win in the battle of endurance.
Grey, however, had another trump card in his sleeve but he didn't want to use it just yet. After all, it was a very specific move that requires the participation of the other party.