Currently, in the spirit realm, Troye's stamina is slowly draining as he uses his power to control the situation. He's getting frustrated because Ashton could always find a way to counter their attack, However, it seems like he has his limitations too. Troye could notice how Ashton's movement gets inaccurate as time goes on but he still has so much power inside him.
Ashton is fully aware of his body and knows that he couldn't do powerful attacks anymore that could use his life force. He was limiting the power he would release from then on, Although he has a great power that makes him hard to defeat, he has his limitations. He couldn't overdo anything and must use his power wisely or else he would die.
