According to their exploration, the depression was about two floors lower than the surrounding ground, and the exposed part was nearly a meter high, which meant that a much larger portion lay underneath. They deduced that this spot had been blasted open by explosive tags.
Feitao carefully examined the stone wall, but the damage was too severe to make out its original appearance. It was completely charred, which was likely why no one had ever paid attention to it.
However, Feitao quickly sensed a protrusion. She squatted down, cleared away the surrounding weeds, and clearly saw the engraved runes sunk into the stone.
Chapter 322