Chapter 975: As Powerful as Lightning

In Yi Yun's eyes, the black rock beneath his feet and the area that he was standing on were extraordinary.

He had previously detected that the small world inside the Door of Misty Rain was divided into several regions. Every region had a large array underpinning it. And the Seven Heart Flowers were growing in one of those regions.

As for the tiny plot of land beneath his feet, it was where the core of the Seven Heart Flower's array was! And deep underground, there was a terrifying source of energy.

Yi Yun had confirmed that the reason why this area appeared remote and had thin Heaven Earth Yuan Qi was due to the massive energy source that was hidden deep underground.

The Heaven Earth Yuan Qi had been condensed into a spirit root, and the nine underground spirit roots were gathered at that point!