The fissures at the bottom of the river were pitch black, but today's Su Yu was not like before. With his strength now formidable, his vision could penetrate a certain range.
Plus, with Ao Run's strength being significant, having the Vast Sea as a trump card, there was no need for caution, and they rapidly descended at great speed.
With one breath, they dived about two to three thousand meters, passing the mud layers into the rock strata. Below, the stone walls were all solid rock, occasionally seeing plants growing amidst the rocks and some unrecognized Spiritual Medicine.
The Spiritual Medicine that could grow in such an environment couldn't possibly be low-grade, so he thought he might as well dig them up first.
