The Purple Cloud Black Thunder Beast led the way, while Chen Yuan rushed forward with Yan Tianqi.
From the outside, the entrance to the dark cave was only three or four meters high and it was unclear how large it was in total.
Only after Chen Yuan and the others entered did they realize that it was a deep tunnel leading directly to Tongshen Cliff.
Inside the cave, there were various kinds of poison barriers and murderous arrays, forming a world of their own.
But these murder arrays, in Chen Yuan's eyes, were utterly ineffective.
After several two-hour periods, the tunnel finally had a bottom, and Chen Yuan and the others stopped.
Given the speed of Chen Yuan and his party, to have flown for several two-hour periods within the tunnel indicated its depth.
"My lord, the Immortal Herb is up there, but there's a Red Frost Flood Dragon guarding it—one of the Beast Kings of Tongshen Cliff. It has cultivated for probably a thousand years and is slightly stronger than I am…"
