Rumble!
A tremendous roar came from ahead, making their eardrums tingle.
With the Crimson Flame Shield before him and his feet planted on blue-green stone gleaming with cold moisture, Li Ping instantly spread his divine sense over the area ahead.
When he truly saw what lay before him, shock filled his eyes.
They were actually inside a naturally formed underground cavern.
Less than fifty zhang ahead of him lay an enormous pool.
An underground river plunged down a waterfall dozens of zhang high, smashing fiercely into the pool and throwing up clouds of mist. It was the crash of this water that formed the incessant thunder in their ears.
Li Ping focused his senses and soon confirmed that both the bone-piercing chill around them and the abundant spiritual qi that refreshed his mind came from this pool.
Merely standing beside it, he could already feel dense spiritual qi enveloping him. Its concentration had reached second-tier upper-grade, in no way inferior to his cave abode on Immortal Peach Mountain.
Wait, this underground cavern never sees daylight. Where is the light coming from?
Doubt rose in Li Ping's mind. He raised a hand, sending the Crimson Flame Shield several feet forward. A layer of red mist spread from the shield, thoroughly protecting the space before him.
He cautiously approached the pool, remembering to turn back and caution Daoist Ji:
"Brother Ji, sorry for the trouble, but please wait here a moment. I'll check whether there's any danger hidden in the pool first!"
Daoist Ji also controlled a small black shield hovering before him. His expression was grave as he said, "Brother Li, you must be careful. There's something strange about this place. Don't let your guard down!"
Li Ping nodded. His feet drifted over the ground, and his figure floated to the