"The effect is so obvious!" Lou Feier immediately lay down on the edge of the crystal building and looked down.

The mutant creatures that originally wanted to climb up and attack them all stopped and stood still.

The group of mutant creatures in the rear that had not yet entered the Crystal City were restless and roaring, but the mutant creatures that had already entered the Crystal City and were affected turned a deaf ear to them, standing still and motionless.

The scene was very strange for a while.

"This... should we take action?" Lou Fei'er lay on the roof, pointing at the swarm of mutant creatures below that looked like sitting ducks, and whispered to Xu Xin, "Are they being controlled by Crystal City? Now should be a good time to take action, right?"

Jin Yue stood on the edge of the roof, looking down expressionlessly. As long as Xu Xin gave the order, she would jump in and start attacking.

"No." Xu Xin shook his head. "I said, let's not attack here. It's meaningless."

"Then we..."

Xu Xin looked at Lou Fei'er and Jin Yue and asked, "Do you two feel anything unusual physically?"

"The two of us?"

Lou Feier and Jin Yue looked at each other and shook their heads.

"Nothing unusual."

"I don't feel anything, just like usual." Lou Feier rubbed her eyes, "It's just that this crystal bright light is a bit too much for my eyes."

...That's basically the same as him.

Lou Feier's bloodline mutation has been suppressed by the genetic medicine, but Jin Yue's has not. In other words, Jin Yue is still a relatively ordinary person with mutated blood.

But she did not feel her bloodline was suppressed like the mutant creatures below.

In other words, the situation is basically consistent with what Yingying said to him in the original video and what he imagined.

This crystal city can affect the blood-veined mutant creatures with the blood of giant beasts. The giant beast blood will gradually awaken, suppress the animal nature of the blood-veined mutant creatures, and allow them to break free from their original mental control.

But creatures without the blood of the giant beast, such as Jin Yue now, will not be affected at all.

Suddenly, near the crystal building where Xu Xin and the other two were, an affected mutant creature slowly sat down.

Its movement was like a fuse, immediately causing a large-scale reaction.

All the mutant creatures that entered the Crystal City fell to the ground one after another.

In an instant, a somewhat painful wailing sound was heard, but the wailing did not last long, only a few seconds. While Xu Xin and the others were still shocked and had not reacted, the wailing immediately subsided.

Then, almost all the affected mutant creatures fell to the ground, closed their eyes, and remained motionless.

Only the occasional wailing and the roars of mutant creatures in the distance that had not yet entered the Crystal City area surrounded the three people's ears.

"What...what's going on?" Lou Fei'er asked in surprise, "Are they...dead?"

Xu Xin glanced outside the Crystal City.

Although the mutant creatures outside looked extremely violent, none of them entered the Crystal City again. The encirclement was even pushed outward by several meters, leaving a circle of space outside the Crystal City.

It seems that the existence controlling them behind the scenes is also very vigilant at this time, and is also considering what is going on in this crystal city. It dares not rashly let the beasts enter the crystal city again, and is waiting to see what happens.

"Hmm..." Coco was also looking at the beasts outside Crystal City, as if wondering why they didn't come in. "Hmm?"

Xu Xin immediately jumped off the crystal building and landed easily with a "click".

The two women immediately jumped down after him.

He walked up to a leopard about the same size as the Silver King.

"This is a mid-level mutant creature." Lou Feier explained behind Xu Xin.

Same as Silver King.

He looked at the leopard.

The blood patterns on the leopard's body have become very dim, dark red, even leaning towards black, blending with its original markings. If viewed from a distance, they can no longer be seen.

When you get closer, you can hear its heavy breathing, and its chest is rising and falling slightly, which means it is obviously still alive.

An average leopard weighs between 50 and 100 kilograms, roughly the same as a human. This size puts it at the bottom of the heap among big cats, but it's comparable to the largest canine on Earth, the North American gray wolf. Leopards are slightly larger, but not by much.

It is of similar size to the Silver King, which means that the concentration of its giant beast bloodline is almost the same as that of the Silver King.

This leopard is basically one of the strongest among this group of mutant creatures.

Xu Xin squatted down and reached out to touch the head of the big guy.

“Hey, you…”

Behind them, Lou Feier and Jin Yue immediately tensed up, ready to strike instantly if the leopard woke up and wanted to attack.

However, what they envisioned did not happen.

Xu Xin easily touched the leopard's head and even smoothed its fur.

“Hmm!”

Even Coco jumped directly from Xu Xin's shoulder, jumped onto the leopard, and scratched its fur with its little claws.

Then the leopard still did not move and lay on the ground as if it was asleep.

"You really didn't feel anything unusual, did you?" Xu Xin turned to look at Jin Yue standing behind him and asked again, "Can you still use your power now?"

Hearing this, Jin Yue kicked lightly and easily leaped forward twenty meters, jumping into a group of mutant creatures lying together. Then he jumped again and landed lightly in front of Xu Xin.

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