“Rumble!” A deep, muffled boom echoed from the direction of the fissure they had entered through. The ground trembled faintly, and bits of gravel rained down from above. “What’s going on?!” the guard captain exclaimed, looking toward the fissure in alarm. To their shock, the narrow gap that had only allowed one person to pass earlier was now completely sealed by an enormous boulder—wedged tightly into place. It was as if an invisible giant hand had reached out and sealed their only way out from the outside. “Not good! Our retreat’s been cut off!” One of the guards rushed forward and pushed hard against the boulder, but it didn’t budge an inch—it was far heavier than anyone had imagined. Panic rippled through the group as several men took turns striking it with swords and axes, but their blows only left a few shallow white marks. This was no ordinary stone. A faint spiritual pattern flickered across its surface—it was clearly protected by a formation. “It’s an array! We’re trapped ...