C539 It's the Yangtze River

It was very simple. No matter how much it cost, Gu Yuan wouldn't sell it.

It didn't matter if it was 100 million or 200 million.

Even if it was a hundred billion, Gu Yuan wouldn't sell it.

Under such circumstances, how could Gu Yuan possibly sell the Purple Gold Sand?

He was also prepared to raise the grade of Yulin's sword, and then use this opportunity to increase his combat strength