This proved that Zhou Yan had once been here, since the aura of his Black Domain Heavy Earth still lingered.
And there was only one reason Qin Shaofeng could think of for Zhou Yan to have come to this region, where gravity was a thousand times stronger: Source Crystals.
Once he had that hunch, Qin Shaofeng simply followed Little Ball's senses and searched his way here. As it turned out, he really had found the place.
Qin Shaofeng had found a place resembling a valley. The valley was littered with crystallized boulders, both large and small. There was even a crystal peak standing over five hundred meters tall.
There were three or four hundred boulders over a hundred meters high, and countless more smaller crystal boulders.
As soon as they reached the place, Little Ball sensed the aura of Source Crystals. Qin Shaofeng understood then that Zhou Yan had most likely obtained his Source Crystals here.
It didn't take long for Qin Shaofeng to notice that many of the crystal boulders had already been smashed apart.
Clearly, Zhou Yan had stumbled upon the place through the power of his Black Domain Heavy Earth, his domain. Then he'd discovered Source Crystals inside the crystal boulders in the valley.
After that, Zhou Yan had used his own strength to break open some of the boulders and obtain Source Crystals. With them, he'd raised his Black Domain Heavy Earth domain to the Fourth Heaven.
Zhou Yan had probably left later because he realized he couldn't break open the larger crystal boulders on his own, and decided to go out and call for help.
That was also why Zhou Yan, who had originally brought only three or four Dark Moon Pavilion disciples with him, had more than twenty people gathered around him by the