Qin Fengming showed no surprise. From what Lin Tao had said, he had already largely deduced what they had done.
There were numerous fissures at the bottom of this ravine, likely formed when this place first came into being. After finding the location, the five had used the terrain as cover without disturbing it in the slightest.
However, the five had also left behind some restrictive spells that could only be sensed with specially crafted magical instruments.
Judging from their earlier division of responsibilities, it was clear that although the five had formed an alliance and signed a pact, each had kept something in reserve.
Lin Tao and Qiu Tianshu were responsible for crafting runic formations and mechanisms; Yu Changtian held the detection disk, while Zhang Shihe provided the spirit beast capable of passing through the narrow fissure and the storage treasure. As for True Person Liyang, he presumably held some other leverage.
Although these safeguards were not necessarily beyond the reach of Profound Spirit cultivators, they still imposed some measure of restraint.
They were like a fence: those who obeyed the rules would naturally seek out the gate, while those who did not might simply smash through the wall.
Once one's cultivation reached the Profound Spirit realm, signing a pact did not necessarily mean one would never dare break it. It merely meant the benefits were not sufficient.
Thus, to high-level cultivators, these restraints offered little more than reassurance. It was the same principle as worldly laws: only those perched high above everyone else had the power to trample them.
Nevertheless, when Qin Fengming heard Zhang Shihe mention the Sky Piercing Rat, his heart gave a sudden jolt.
Qin Fengming had long since heard of the Sky Piercing Rat. This was not because it was a spirit beast on