The arena in that state seemed to make it impossible for the elf, though he has impeccable speed and great analysis skills, he can't fly. When all hope is lost people come up with something really smart, at least in most situations that is the case. People's desperation creates the most desired outcomes. Desperation creates power.
"I see you, right in the middle of this arena! I reach out my hand towards the moon sometimes and grab it. However, it is always too far. I am never enough! So now, you shall be the witness of how close I am to the moon!" The flying mage shouted while at the apex of his power, a kind of presage of a great attack. His hands, the vascularity had become very apparent, and the veins in his forearms showed a great strain as he was accumulating a great amount of dark energy.