Let's try the Earth Escape Technique first. With this thought, Chu Xuan asked Gu Haitang to wait on the ground for a moment, then he dived into the earth like a swimming fish, disappearing completely.
Haitang became even more worried upon seeing this, fearing whether Chu Xuan might abandon her and run away.
...
After diving over a hundred miles underground, Chu Xuan discovered a layer of pitch-black "membrane," as if sealing countless sinister, ghostly, and malicious presences below. He didn't even dare to touch this boundary.
Moreover, the earth and rocks weren't directly attached to this black membrane; there was a layer of space between them.
Chu Xuan tried throwing a few stones down, which were instantly swallowed by darkness, vanishing without a trace.
This is troublesome, he thought silently to himself, and then he took out the Six Souls Banner, cautiously poking the black membrane with the artifact.
