The Great Thief's Legacy, Little West Mountain

Fang Shu's expression settled slightly, and his thoughts immediately began to race.

Seeing his look, Old Mountain Lord chuckled and said, "What is it? Do these three words feel rather unfamiliar to you—have you never heard them before?"

Clearly, Old Mountain Lord assumed this was Fang Shu's first time hearing of it. Fang Shu immediately realized that the other party was most likely about to give him a patient lecture!

The other was an elder, so Fang Shu naturally would not spoil his interest for no reason. He promptly rose to his feet.

"These words are indeed unfamiliar to this junior.

"Though this junior has pored over the classics within the Five Viscera Temple and even entered the Er Family's library within the temple, I have never once seen the words 'Inner Heaven and Earth.'

"Please teach me, Old Mountain Lord!"

He bent at the waist and clasped his hands in salute.

Old Mountain Lord tipped up his chin and called out, "Enough, where did all these empty formalities come from?

"Right now, there are only the two of us grandpa and grandson on this mountain. Who are you putting on an act for?"

Yet clearly, he was in high spirits, revealing something of an old child's delight, as though he had finally gotten the chance to show off his knowledge before Fang Shu.

Old Mountain Lord immediately gave a concise explanation of the relationship between an Inner Heaven and Earth and a secret realm.

So an Inner Heaven and Earth was a secret realm, and a secret realm was an Inner Heaven and Earth!

Old Mountain Lord spoke at length:

"In ancient times, whenever Daoists established their foundation, they had to carve apart heaven and earth, harm the Heavenly Dao, and replenish the Human Dao. They would open up