"If it's an external cause of the mutation, then we have to find the source, and if it's a split caused by their own ethnic differences, then we can leave them alone, but we don't know exactly what caused it, so we still have to find the cause." The two casually picked up a little dry firewood and returned to the cave, although the temperature at night was very low, but under the high-intensity exercise, Yang Jian was still sweating.

Yang Jian leaned against the wall weakly: "Then aren't you talking nonsense?" In either case, we're going to investigate. ”

"Although the process is the same, the result is different! If there really is an external cause for the mutation of the wolf pack, then we have to find out. Although the wolves themselves can clean up the mutated individuals, if you don't find out the reason, who knows if the mutation will continue, not to mention that the number of wolves is getting smaller and smaller, affecting the ecological balance, in case other animals will also be affected, but it will be really a big trouble! Ge Yunsong, stir the fire and add firewood to it.

"Forget it, let's rest first! Tomorrow's business, tomorrow's talk. "Yang Jian doesn't want to think about it so much, no matter how much the plan can't catch up with the changes, even if you think too much before, but at that time, the slightest change may make all your previous efforts go to waste.

The second half of the night was spent in cultivation, and there were no accidents. As soon as it was dawn, the two of them set off in full gear.

Yang Jian moved his body, and under the washing of the aura, yesterday's fatigue had disappeared.

No wonder those people can live in loneliness, living in seclusion in the deep mountains and old forests, the effect of cultivation here is much better than in the city, Yang Jian felt that his body was full of vitality.

"Are we going to the Pangu River, or are we going to track the wolves directly?" Yang Jian asked Ge Yunsong.

"Track down the wolves! I didn't have a goal before, so I could only try my luck by the river, but now that I have a goal, I must act directly! Ge Yunsong checked the giant crossbow and walked out of the cave after confirming that there was no problem.

"Can you track the wolves?" Yang Jian had no way to find traces of the wolf's passing.

"Don't worry! The wolves are so big, the traces of passing by must be obvious, and there was no wind or rain last night, all the traces can be well preserved, it should not be too difficult. Ge Yunsong said confidently, after all, this is his specialty.

It didn't take long for the two to come to the place where the wolves fought last night, but the wolf corpse on the ground had disappeared, and they didn't know what animal had taken them.

"Let's go! This way. Ge Yunsong didn't stop long and walked north. The wolves in Yang Jian's memory also evacuated from this direction last night.

"This direction should be the direction of the Pangu River, right?" Yang Jian was not sure that in broad daylight, Yang Jian was still barely able to distinguish the direction.

"That's right, this is the direction to the Pangu River, although it's not the closest route, but it's not that far." Ge Yunsong said with certainty.

"Wouldn't that be too much of a coincidence? We just wanted to go to the Pangu River. "Yang Jian is a little suspicious, there is no way, there are many strange things, everyone will think about it.

"It is reasonable that such a large wolf pack must need a large water source, and the largest water source nearby is the Pangu River, I believe that not only the wolves, but also the water source of many animals come from here, so the wolves should wander near the river, and the Pangu River can provide sufficient food." Ge Yunsong analyzed.

In fact, the traces left by the wolves along the way are not particularly obvious, and thanks to Ge Yunsong, a veteran, Yang Jian only occasionally sees some traces, if Yang Jian is allowed to follow him, he will definitely lose it a long time ago, and maybe he will lose himself in the end.

It took several hours for the two to finally make their way through the forest. The sun had slowly risen into the sky, and the temperature in the forest was rising rapidly, at least with the cultivator's physique, he would not feel the cold.

"Huh? There's also a bridge here, so is there still a person living around here? The two of them came to the river, where the water seemed to be quite deep.

In fact, it is not correct to say that it is a bridge, but in fact, two lonely iron cables span the two banks, connecting the two pieces of land together.

"Shall we go over?" Yang Jian asked, this iron rope looks very dangerous, but it is not particularly difficult to get over, of course, this is only for cultivators.

"This bridge - there is a problem, we better not cross it, and the wolves have not crossed, we just walk along the riverbank." Ge Yunsong shook his head solemnly.

"Questions?" Yang Jian carefully observed the two iron cables, "Wait, it's not rust on this!" Yang Jian's eyes widened, the dark red substance on the iron rope was not only rust, but also congealed blood.

This is also all dependent on spiritual sense to discover, ordinary people can't see it at all, but Yang Jian can't tell whether this is human blood or other animals, but since this iron rope is built by people, it must also be for people to pass through, so the blood on it ...... Yang Jian was a little unbelievable.

"Let's go, then! I don't want to be around this weird stuff. Yang Jian's goosebumps rose all over his body.

"Hmm." Ge Yunsong nodded and left along the riverbank.

It didn't take long for Ge Yunsong to stop. "What's going on?" Yang Jian was puzzled.

"The traces around here have faded, and some of them are still the same as before." Ge Yunsong said with a frown.

"Go back." Ge Yunsong thought for a while, then turned around and walked back, Yang Jian could only follow with a confused face.

Back to the previous Cable. Yang Jian didn't know why Ge Yunsong came back, but he always felt cautious when he saw this iron cable, as if he was destined to have a certain intersection with this strange iron cable, and he couldn't run away no matter how he ran.

Fortunately, Ge Yunsong didn't stay too long, but walked to the other side. "Could it be that I made a mistake before? The previous traces were taken as the traces left by the wolves last night, but in fact, the wolves were going this way. Yang Jian thought to himself.

However, to Yang Jian's disappointment, it didn't take long to walk here, Ge Yunsong retreated again, and the two came to the iron rope again.

"Is this really providential?" Yang Jian's face was a little pale, he didn't really want to cross the bridge, right?

"The wolves lingered around here, but eventually made it to the other side." Ge Yunsong said solemnly.

"What? Opposite side! Yang Jian was taken aback, this is an iron cable, not a bridge, it is very difficult for people to even pass, how did the wolf pass? And it's more than a hundred wolves, which is too weird!

"So, get ready to cross the bridge!"