Set up a Formation within a Formation

This was setting up formations, how could it be done so casually?

With a wave of his hand, the formations had been set up?

But the truth was so. The seventeen formation foundations linked together, stimulating the power of heaven and earth, and also changing the environment. Originally, this was a battlefield, but from the look of things now, it was covered with clouds and mist, which could be considered a divine miracle.

So impressive, this formation was really formed too quickly.

Even Chen Hao nodded in approval. He had always believed that Formation Masters were no weaker than cultivators in terms of battle prowess. In fact, once a Formation Master unleashed his might, he would be able to stop or even kill a dozen or so cultivators.

The problem was, the more powerful the formation, the slower it would be to set up, and the more it had to be set up in advance.