Lucas knew the truth that many wouldn't admit aloud, even in times like these. There were more powerful cultivators within the city, beings who could change the tide of battle within minutes, whose strength was several magnitudes above what the current defenders possessed. He had no doubt that they were watching from afar, weighing the situation with cold logic and centuries of experience. But they would not act unless the situation crossed a threshold, unless the danger to the city became undeniable, unless the wall truly began to fall. It was the cruel calculus of cultivation society, those who stood at the peak did not move unless absolutely necessary. To them, this was not yet critical. Not yet desperate enough.
But to Lucas, it was already too much.