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Qiao Yu and Jiang Zhan were the second to arrive here.

At this time, the alien species had receded, leaving only broken pieces of clothing and blood stains on the ground, as well as a long knife stuck horizontally on the tree trunk.

There was blood on the long knife. Judging from its height and position, Qiao Yu could probably guess what the knife was used for.

A look of respect flashed across Qiao Yu's face, but she didn't have time to stop, so she continued to pull Jiang Zhan and quickly ran towards Yu Qingchuan.

The further they walked, the clearer the roar of the alien species became.

Jiang Zhan stopped at a suitable safe distance, wrapped his mental power around the two of them, and quietly observed the alien group ahead.

Qiao Yu jumped off Jiang Zhan's back and stuffed a bottle of fruit water and a handful of crystal cores into his hand, asking him to quickly replenish his energy and physical strength.

"It must be that cave." Jiang Zhan absorbed the crystal core and whispered: "There are five living people inside."

Before Qiao Yu could be surprised when she heard this, she heard Jiang Zhan continue: "But we have to hurry up. The people in the cave have very weak signs of life."

Qiao Yu's face darkened, and she glanced at the densely packed alien species in front of her, "How many alien species are there around here?"

"A lot. At least a thousand."

"Thousands of them?" Qiao Yu frowned instantly, "Then we definitely can't be confrontational."

"Azhan, can you use the spiritual barrier to go in and carry the person out directly?"

Jiang Zhan pursed his lips and said, "Okay, but there is a very strange energy fluctuation in that cave. I'm not sure if my mental barrier has any effect on it."

Hearing this, Qiao Yu couldn't help but widen her eyes in surprise, "It doesn't work? How come it doesn't work? Are there actually creatures that can't be shielded by the spiritual system?"

"It's not necessarily a living thing." Jiang Zhan shook his head, "I don't know what it is. It does have life fluctuations, but they are very weak, but the energy fluctuations are extremely powerful."

Qiao Yu was slightly stunned, what is this?

According to Jiang Zhan's previous exploration experience, under normal circumstances, the relationship between life signs and energy fluctuations is directly proportional when they decrease.

In other words, when a person's signs of life weaken, energy fluctuations will naturally weaken.

How can there be an inverse ratio?

"Could it be...that this thing is absorbing Professor Kang's energy?" Qiao Yu couldn't help but start thinking wildly.

Just like using energy to maintain life, absorbing other people's energy to keep yourself alive.

"I don't know." Jiang Zhan shook his head again, "But it doesn't seem to be aggressive."

Qiao Yu thought for a long time, but couldn't find any similar creatures in her memories of past lives, so she couldn't help but sigh in frustration.

Seeing Qiao Yu's bitter and resentful look, Jiang Zhan kissed her forehead gently and comforted her in a low voice: "Don't worry. Go in and take a look first. As long as I'm here, even if I can't block it, I can certainly I'll take you out of here."

Qiao Yu raised her eyes and met Jiang Zhan's serious and firm eyes. The uneasiness and anxiety in her heart were suddenly soothed.

"Okay. Then let's..."

"Ouch-"

Qiao Yu was about to say that the two of them should go in and take a look first, when she heard Wang Zha's familiar cry.

Qiao Yu turned her head and saw at a glance the speeding Wang Zha and the flickering light of lightning and fire on the tree.

Qiao Yu suddenly felt something bad and quickly looked at the alien species wandering not far away.Sure enough, a large number of alien species turned back and rushed towards Wang Zha in an instant.

"Azhan!" Qiao Yu shouted nervously.

Before Qiao Yu finished speaking, Jiang Zhan used his spiritual power to wrap up Wang Zha, Cheng Sinian, and Luo Zhenzhen.

Wang Zha was stunned. Although he didn't understand why he suddenly saw his master, he was very happy anyway. He wagging his tail and rushed in front of Qiao Yu. He wanted to nuzzle Qiao Yu with his nose, but Jiang Zhan grabbed him. stop.

"Ugh..." Wang Zhao let out a low cry of dissatisfaction, looking at Jiang Zhan with eyes full of resentment.

Qiao Yu chuckled and patted Wang Zha's head to comfort him.

"Have you found it?" Cheng Sinian and Luo Zhenzhen asked anxiously as soon as they stood still after getting off the tree.

"Azhan has confirmed it." Qiao Yu nodded and pointed to the cave in the distance, "It's in that cave. We are about to go in and have a look."

"Okay, let's go in together!" Cheng Sinian nodded, then raised his head and glanced at Yu Qingchuan, who was still hovering in the sky, swooping down from time to time to grab the two-clawed mutant, "Where's Achuan? Call him down too?"

When Qiao Yu heard this, she also looked up, thought for a while, and then put her hand on the tree trunk beside her.

The crystal ice layer rose from the bottom up and quickly enveloped the entire mutant tree, and then exploded instantly with a "bang".

The sudden loud noise quickly attracted Yu Qingchuan's attention.

When Yu Qingchuan saw that the pile of broken wood was all wrapped in ice, he understood that it was Qiao Yu's work, so he dived again and landed steadily in the open space next to the tree.

Before the group of aliens could react, Yu Qingchuan was pulled directly into the spiritual barrier by Jiang Zhan the moment he switched back to his human form.

Qiao Yu explained their discovery and plan to Yu Qingchuan, and then the five people and one wolf prepared to bypass these alien species and go straight into the cave.

"There seems to be something wrong with these alien species." On the way to the cave, Qiao Yu looked at the densely packed alien species around her, a trace of doubt flashing across her face.

"It's indeed strange." Yu Qingchuan nodded, "I just found it when I was in the sky. How can I put it... I feel like they are looking for something."

Qiao Yu touched her chin. She felt the same as Yu Qingchuan.

The current state of these alien species is completely different from when they were eating humans. Although they roared from time to time, they were really much quieter.

He just turned his neck and walked around, as if he was trying to smell something.

Cheng Sinian frowned, "Maybe he's looking for food, right? Looking for a human."

Alien species feed on human flesh and blood, and usually locate themselves by the smell and sound of humans. This behavior is likely to be foraging.

Qiao Yu's eyes suddenly widened, "Yes! They are looking for the location of humans! But why are they looking for it?!"

This sentence sounded a bit like nonsense, but it made several people instantly stunned.

yes!There were obviously five living people in the cave, so why didn't they go in directly instead of wandering outside to look for them? !

Yu Qingchuan looked excited, "Have Professor Kang and the others found some way to hide their aura? Can they avoid being tracked by alien species?"

They had arrived at the entrance of the cave at this time.

Qiao Yu didn't answer, just stood at the entrance of the cave, looked at the dark corridor inside, held Jiang Zhan's hand tightly, and then breathed out softly.

"Let's go. The answer should be inside!"