Outside the southern wall of Haiyu City, compared with the other sections of the city wall, the number of sea demons here was so great that it stretched beyond sight at a glance.
Although most of them were merely First Order sea demons, when attacking the immobile Haiyu City, these First Order sea demons could still serve an important purpose.
Moreover, aside from these First Order sea demons, the number of Second Order sea demons was several times greater than elsewhere. More importantly, there were the Third Order sea demons here.
They were not simply early third order sea demons. At this moment, several Peak Third Order sea demons were entrenched outside, their enormous bodies continuously slamming into Haiyu City's formation, trying to smash it down by brute force.
Gu Danyang and several Peak Joint Aperture Realm cultivators remaining in the city were all here at this moment, resisting the attacks of these Peak Third Order sea demons.
Gu Danyang had originally been hunting down the contaminated martial artists within the city, but the situation at the southern wall forced him to rush over in support first.
With the strength of Haiyu City's formation, even if several Peak Third Order sea demons attacked together, they should never have been able to shake it in the slightest.
But Haiyu City's formation had developed a problem. One of its Array Eyes had been directly destroyed. Though this Array Eye was not the formation's main Array Eye, it still opened a gap in its defenses.
The locations of Haiyu City's formation Array Eyes were among its most closely guarded secrets. Ordinary people had no way of knowing them, much less destroying them. Yet this Array Eye had been forcibly ruined.
There had not even been the slightest warning beforehand. After the Array Eye