Chu Tian is speechless, there is a danger at the moment, but Xia Ya's focus is always so different, and her brain circuits are always so fresh and refined!

With the light of the fire in Zuo Yiyi's hand, Chu Tian gradually saw the surroundings clearly, this was a long passage, and there was a lampstand embedded in the stone walls on both sides at intervals, and the candles on it had not yet burned out, but they had been extinguished.

"It smells of blood. Xia Ya said.

"There's blood on the ground!" Zuo Yiyi exclaimed almost at the same time.

Only then did Chu Tian discover that under their feet, there was an intermittent blood stain, which dragged deep into the ground, and it seemed that someone was injured, but for some reason, they all reached the exit, but they went back again.

"There are two kinds of bloodstains, one is human, and the other is not known and has not been seen. Xia Ya sniffed her nose very seriously.

Chu Tian relayed this discovery to Zuo Yiyi.

"Well, there are two possibilities, one is that our people want to run out, but they don't succeed, and they are dragged back by something, and the other is that something wants to escape and is stopped by our people. Zuo Yiyi quickly analyzed.

Chu Tian nodded again and again, in the end, it is the person who once led the team, this observation and judgment are different, although she is a girl, she may not be as old as herself, but her ability to analyze and reason is definitely stronger than herself.

"You think that's more likely?" he asked, nodding his head repeatedly.

"The second, if it is the first, there is no need to blow up the entrance, I have just checked the traces of the explosion at the entrance, which was caused by our weapons. Zuo Yiyi replied.

Chu Tian admired again, through the traces left behind, he could tell what weapon did it, this Zuo Yiyi is really not simple!

"But, it's so quiet here!" Chu Tian was a little strange, since they came in, he pricked up his ears and listened carefully to the movements around him, but he didn't hear anything.

"I've found out too, so we must be careful! It's so quiet here, it's definitely not normal!" Zuo Yiyi reminded.

The two of them walked down cautiously again, Zuo Yiyi controlled a flame, suspended about two meters in front of them, acting as a lighting tool, and walked slowly for nearly 5 minutes, and suddenly a huge underground space opened up in front of them.

It's just that at this time, this underground space is also a mess, from a few clusters of sparks that come out of the ground from time to time, it can be judged that this place should have been electrified, I don't know why, the lighting equipment has been violently destroyed, only pitch black remains.

Zuo Yiyi summoned another flame and flew around the vicinity, roughly seeing the whole picture of this place. Leaning against the wall is a row of machinery and equipment, which has been smashed at this time, and there are several large experimental tables in the center, but now they are also missing arms and legs, and they are falling to the ground in a scattered manner, and the bottles and cans of medicine are spilled all over the ground, emitting an unpleasant pungent smell, and then there is a half-hung pale curtain, and a bloodstained operating table is faintly seen inside, which is particularly eerie in this environment.

Although Zuo Yiyi has a lot of combat experience, after all, she is still a girl in her early twenties, and when she sees such a scene, she still feels a little furious in her heart, and she can't help but lean towards Chu Tian's side, feeling his solid arms, and feeling that her heart is much more steady.

"Beware!'s something moving around!" Charya suddenly cried.

Chu Tian reacted quickly this time, and with a wave of the empty sword in his hand, he was already standing back to back with Zuo Yiyi, tilting his head, and reminding in a low voice: "Be careful, there are living creatures nearby!"

"Hmm!" Zuo Yiyi also noticed something unusual, and at this time, he was ready to fight, offering a flame shield with one hand and a flame whip with the other.

The flame that had been used for lighting had risen above the heads of the two of them, and could illuminate a range of about ten meters around them.

"There!" Chu Tian suddenly saw a black shadow in the corner of his eye, as fast as the wind, flashing by, and soon disappeared again.

"I saw one, too. Zuo Yiyi looked nervous, the other party moved so fast! This was her first feeling, much faster than the demon she met two days ago!

"Here we go again!" Chu Tian shouted, he had just caught another glimpse of a black shadow whistling through the half-light and half-darkness.

The shadows seemed to keep their distance from them, and they didn't seem to like the bright environment, and all their actions were just stuck out of the range of the flames.

"Alas...... You are surrounded. In the void space, Charya sighed and shook her head.

"Huh, what should I do then?" Chu Tian was shocked.

"Kill them all, what else can you do, you have to take care of Sister Yiyi in a while, you can get hurt, but you can't let Sister Yiyi get hurt!" Xia Ya looked as a matter of course.

Chu Tian burst into tears...... Why can he get hurt? Why is he hurt...... Always him??

"Beware!" Chu Tian saw a black shadow rushing towards him, and hurriedly reminded.

Clang!

Chu Tian raised his sword to block, and the black shadow hit the square, and after a few sparks were wiped out on the Sky Slashing Sword, his figure dodged back again.

This came and went, only in an instant, but Chu Tian basically saw the appearance of the black shadow clearly, but, how to describe it?

This is the most intuitive impression.

The Shadow has the stature of an adult man, but its limbs are significantly more developed, and judging by its fluttering posture, it is likely that it also moves on all fours. Its forelimbs were unusually developed, somewhat similar to those of the Wraith, but it was not protected by hard bone armor, only sharp claws.

Its skin is the color of burnt black and dark red, a bit like the skin that has been badly burned, it has no hair, its eyes are wide and bloodshot, but the eye sockets are deeply sunken, the moment it pounced just now, the black shadow opened its bloody mouth, which was the face of an ordinary man, but the chin opened at a very exaggerated angle, between the upper and lower jaws, almost 180 degrees.

What the hell is this!, Chu Tian said secretly.

"Shhh

"Hiss!" Another black shadow flew towards Chu Tian, and at the same time, another black shadow also rushed towards Zuo Yiyi at the same time.

This time, Chu Tian took offense as defense, slashing the air sword volley, and actually forced the black shadow back, as if it was also a little afraid of this sword. On the other side, Zuo Yiyi swung out a fire whip and accurately whipped the black shadow in mid-air, and the black shadow was knocked to the ground with a "woo", but before Zuo Yiyi's follow-up attack could follow, it flashed quickly and burrowed into the shadows again.

"They're so fast!" Zuo Yiyi's forehead was already oozing beads of sweat, and this high concentration made her a little nervous and out of breath.

"Well, it's really fast!" Chu Tian was also very nervous, and the palm of his hand holding the Void Slashing Sword was already sweating.

He wasn't nervous in the face of the demons, because Charya knew them better, and he wasn't nervous about the demons last night, because he knew that the other party was a human and still retained human consciousness, but in the face of these dark shadows, he was really a little nervous, because no one knew what they were, no one knew what they wanted to do, and no one knew what they could do!

Ignorance is sometimes the root of all fear.