This showed that before the Formation Spirit was born, the person who had set up the Yin-Yang Fish Array had definitely been keeping watch over this place the entire time.
That was also why Jiang Liu guessed that the person who had set up this array definitely had a force supporting him from behind.
Because no matter how one looked at it, although the Yin-Yang Fish Array was formidable, it did not have much practical use.
It was unlike ordinary grand arrays, which could bring tremendous assistance to the person who set them up once they had been deployed.
The greatest use of the Yin-Yang Fish Array was merely to connect these few places, as well as provide an early warning for impending disasters.
Only now did he realize that the Yin-Yang Fish Array could also teleport people here from other places.
Even so, compared with many grand arrays, an array like this did not have much practical use.
After all, which grand array with a Formation Spirit was not terrifyingly powerful in attack?
When such an array was activated, ordinary people simply could not withstand it.
That was why arrays like this were generally quite famous.
Only this Yin-Yang Fish Array was something Jiang Liu had never heard of or seen before.
He had only seen three such Yin-Yang Fish Arrays in the Human Realm.
Whether in the Nether Realm or the God Realm, he had never discovered the appearance of an array like this.
Thus, it was highly likely that the Yin-Yang Fish Array had only been set up in the Human Realm, with none in the other places.
Although Jiang Liu still could not figure out the reason even now,
by starting with the characteristics of the Yin-Yang Fish Array, Jiang Liu could still catch a glimpse