The Secret of the Painting of Flowers, Mountains and Moon

The emperor told a story from the past.
He revealed the origins of the four major families.
The four major families originated thousands of years ago.
"Prince Lanling?"
Ellison Jiang frowned.
There is no record of this person in history.
He looked at the emperor and asked, "Who is Lanling Wang?"
The emperor shook his head.
He didn't even know who Lanling Wang was.
"How could I know about a person who lived thousands of years ago? Not only do I not know, but even...