The battle lasted three days and three nights.
Even Golden Core Cultivators, with their abundant stamina, felt somewhat exhausted, let alone the Qi Refining cultivators.
Everyone wore obvious fatigue on their faces. Some even sat on the ground, panting heavily, without a shred of decorum.
As far as the eye could see, cultivators slumped all over the battlements, deep worry etched into many of their faces.
For Qi Refining cultivators, a battle that dragged on this long was simply too intense.
Their magic power had probably been drained dry several times over.
Liu Yu withdrew his gaze and shook his head slightly.
After three days and three nights, despite his deep reserves of magic power and his constant replenishment with spirit stones, he had less than forty percent remaining.
Although the formation had prevented any casualties so far, their prospects were hardly bright.
Without reinforcements, once the Five-Element Rotation Formation fell, the entire city would be slaughtered.
But with the number of Golden Core Cultivators the three sects have, defending such vast territories leaves little room for reinforcements.
The thought flashed through Liu Yu's mind.
The two mid-grade spirit stones in his hands exhausted their spiritual energy and crumbled to powder. He took out another two and silently circulated his cultivation technique to restore his magic power.
Though the beast tide had temporarily retreated, it was merely regrouping. Before long, it would come surging back.
Golden Spear City no longer held the initiative, so he had to keep himself in peak condition at all times. He could not afford any carelessness.
Just then, Yan Kai approached. After bowing, he reported:
"Reporting to Martial Uncle, the spirit stones consumed in this battle..."
Given the extraordinary circumstances, he spoke extremely quickly, delivering a complete account of the battle's expenditure in just a