Chapter 518: Night 516, Number Two

Returning along the way through the broken hole soon.

Yu Hong made a mark on the wall, quietly memorizing everything he saw.

He continued practicing the Heavenly Thunder Palm when he got back.

In the blink of an eye, another five days passed. The Heavenly Thunder Palm smoothly broke through to the Third Layer.

With his current comprehension and physical strength, cultivating such martial arts was not difficult at all, especially with the aid of the Black Mark enhancement potion.

And just when he was about to break through to the Fourth Layer, on the way to pay morning respects again, he encountered that mysterious dwarf itinerant merchant.

'You're still alive... hee hee...' The dwarf seemed a little surprised, emitting a strange laugh towards Yu Hong.

Inside the mine shaft, the light was dim, and all light seemed to be swallowed when it reached the dwarf, revealing nothing.

"What do you mean?" Yu Hong frowned.