Chen Fei's expression shifted slightly. The others only sensed a faint difference, but Chen Fei knew this was the Purification Magic Array.
The entire Holy City was covered with the Purification Magic Array, which was why the Heaven and Earth Essence Qi here was so obviously different from the outside world.
The Black God had pried at the rules, allowing monsters to descend anywhere in the Endless Sea. If monsters could appear just as freely inside the Holy City, then the Holy City would have no safety to speak of.
Thus, at a time like this, the Purification Magic Array once again came into use.
It directly purified the Heaven and Earth Essence Qi within the Holy City, making it impossible for monsters to appear here. And once a monster entered the Holy City's range, it would also be weakened by the Purification Magic Array.
Compared to when they had laid down the Purification Magic Array inside the Black God Barrier, where they not only had to withstand the barrier's interference but also had to pinpoint the Nodes for deployment, laying it down within the Holy City now was undoubtedly far simpler. In less than two months, the outer region had already been completely covered.
And according to the Holy Land's usual practice, the entire formation structure of the Holy City would continue to be strengthened nonstop until no more runes could be stacked onto it.
Chen Fei lowered his head and looked below. Quite a few powers had already moved into the Holy City.
It was not that the deeper in one went, the better the location became.
There were geographical factors that caused uneven Heaven and Earth Essence Qi, as well as the operation of the entire Holy City's formation. In certain areas, the spiritual vitality within the