Prospects for the Seas, Trouble at the Jade Union Sect (Please Vote with Monthly Tickets, Please Vote with Monthly Tickets)

The depths of the seabed were particularly murky. Even the bone corals were pitch-black.

There was also a great deal of silt down there. Although it did not qualify as a spirit material, it did have some ability to suppress cultivators' divine sense.

Led by Ye Xuefan, Ye Xuecang and Ye Jingcheng used their movement techniques to descend another hundred-odd zhang.

Only when they reached this depth did they finally see glimmers of emerald spiritual light within the soil.

This was clearly an undersea spirit mine, and it also served as a reminder to the Ye Family: in the seas, spirit mines could exist not only on islands, but beneath the seabed as well.

Normally, an undersea spirit mine had to be at least upper third rank to be worth excavating. After all, arrays were necessary for clan members and spirit beasts below the third rank to remain on the seabed.

At the same time, transporting clan members there required a demon king or a high-ranking spirit beast with an abdominal space, such as a Bluewater Whale or Blue Jade Flood Dragon.

For first- or second-rank materials, the gains would not cover the costs at all.

But with the Ye Family's growing population, they could actually attempt to mine anything of lower third rank or above, even if it required considerable expenditure.

After all, once the Ye Family obtained high-ranking spirit materials, they could increase their value through their numerous sales channels and formidable artifact-refining capabilities.

"This should qualify as a large fourth-rank spirit jade vein. It could indeed contain fifth-rank spirit jade, which naturally might also transform into fifth-rank astral whale jade." With his stronger divine sense, Ye Jingcheng surveyed the area and nodded repeatedly.

His eyes were filled with delight.

The fourth-rank spirit jade here was a variety