C756 The Mysterious Ancient Tree

Upon hearing Fuxi's explanation, a cold smile emerged on Jianyun's face. The main reason why he asked Fuxi about it was to change the formation of this place to his own. Not only that, he also wanted to set up other killing formations for the people of the other three realms. This might be very difficult, but for Jianyun... It was very easy.

However, it wasn't easy to set up the formation