The fact that Zhou Yan's Black Domain Heavy Earth residual aura could be sensed here undoubtedly meant that Zhou Yan had once come to this place.
And the only reason Qin Shaofeng could think of for Zhou Yan to have come to this region with one thousand times gravity was Source Crystals.
After forming that guess, Qin Shaofeng simply followed Qiuqiu's senses all the way here. In the end, he really did find the place.
What Qin Shaofeng found was a place resembling a valley. Crystalized boulders covered the valley floor, some large and some small. There was even a crystal mountain peak over five hundred meters tall.
There were three or four hundred boulders over one hundred meters high, while the smaller crystal boulders were countless.
The moment he arrived, Qiuqiu sensed the aura of Source Crystals. Qin Shaofeng immediately understood that the Source Crystals Zhou Yan had obtained had most likely come from here as well.
And Qin Shaofeng soon discovered that quite a few crystal boulders had already been blasted apart.
Clearly, Zhou Yan had stumbled upon this place through the power of his Black Domain Heavy Earth domain. Then, he discovered that Source Crystals existed within the crystal boulders in this valley.
Afterward, Zhou Yan had broken open some crystal boulders with his own strength and obtained some Source Crystals. He had also used those Source Crystals to raise his Black Domain Heavy Earth domain to the Fourth Heaven.
Zhou Yan had likely left afterward because he discovered that he could not break apart the larger crystal boulders with his own strength, so he had planned to go out and call for help.
That was why Zhou Yan, who had originally brought only three or four Dark Moon Pavilion disciples, had already gathered more than twenty