Steel steam and flame

Cassia asked Cassie Hei in the simplest words, and received a vague answer. Cassie Hei had almost no knowledge reserves and had no idea what it was. It just feels like that thing is important and has strange power. Cassie vaguely described that his nest was on top of that thing, and he felt warm and comfortable when resting.

Listening to Cassie's excited description, Cassia followed it into the hole network. The sound wave pulses increased the frequency simultaneously, and the darkness seemed to be dispelled immediately, allowing Cassia to "see" the surrounding scene.

The constant feedback of sound waves caused interference, and Cassia had already been able to handle this situation skillfully. After blocking some sound waves, the picture of the underground cave network became more concrete. The entrance is a slope that goes down to a depth of nearly sixty or seventy meters before becoming gentle. Judging from the overall structure, the underground cave network is almost a hundred meters below the ground.

The roots of the ancient trees took root here a long time ago and are very strong. These tree roots are twisted and entangled with each other. In the high-frequency sound wave pulses, Cassia found that many tree roots will continue to extend downward, but in the end they will merge into one. This is like an upside-down pyramid structure. The closer it is to the ground, the more roots there are and spread everywhere. But as you go further down, as some small tree roots are eliminated and the number decreases, those thick tree roots also have some awareness. Taking an area as a unit, the ancient trees in this unit will actively let the roots move closer to a position. , eventually merging into a giant twisted bulbous stem.

The "heart" of a plant, Cassia describes the bulbous stem that is the fusion of roots. The ancient tree rhizomes radiate from the stems like arteries connected to it.

Each bulbous stem will grow a rhizome from its bottom, about the thickness of an adult's thigh, and continue to grow downward. The depth has broken through the rock formation, and Cassia used high-frequency sound waves to detect downwards. Even at its extreme position, it failed to capture the end of the rhizome. The density of this rhizome is very high, and when high-frequency sound waves penetrate it, it feels like relatively high-grade steel.

As Cassihei moved rapidly through the burrow network, the sound wave pulses also captured several bulbous stems that were almost evenly spaced. Compared to the network of burrows dug by Cassie Hei himself, the rhizome network of ancient trees beneath the ground is much simpler than the network of burrows.

In Cassia's observation, every ancient tree is like a mass-produced item coming off the assembly line. Each ancient tree above the ground is different, but below the ground, its root system has a lot of similarities. This similarity is not as simple as "they are both tree roots", but the direction range of the rhizome distribution, the number and size of the main rhizomes, and other data are almost the same, which can be said to be the same within the normal range of error. , is also completely feasible.

"It seems that it is not that the main rhizomes of the ancient trees will gather together within a general range and merge into one. Rather, it should be said that the extremely deep steel-like rhizomes first spread out from under the rock layer, and then grew a' "Unit Heart', and then divides roughly the same number of rhizomes from the 'Unit Heart' to break through the ground, becoming a new tree, which continues to grow, thereby replenishing the energy of the 'Unit Heart'."

"Isn't this a strong basis for the southern forest to be a whole?" Cassia thought, "But what is the significance of such differentiation? Or, the 'unit heart' is actually more like a transit station, just like the major families in different regions of the empire. The stronghold established. In addition to gathering energy, it also has other functions, such as giving the necessary energy to the weak sight you feel, and keeping the weak consciousness away from the consumption of instinct that is too far? A transfer station? "

Cassia thought a lot, and during the subsequent journey, the surrounding scenery began to gradually become modular. Every ancient tree can be said to have the same pattern. Within a given range, there is no huge difference between the "unit heart" and the tree roots. On the contrary, Cassie Hei has a diverse network of burrows. It seems that when Cassie Hei is bored, he spends a lot of time digging holes.

When Cassia really carefully examined Cassia's underground cave network, Cassia felt an eerie familiarity. After most of the veins and directions of the entire burrow network were formed into an incomplete image in his head, Cassia discovered that the reason for the familiarity was because the image of the burrow network was actually an irregular six-pointed star pattern. .

I can't say that I have seen the exact same image, but Cassia has indeed seen many different forms of hexagrams. Recalling the illusion he saw when he invaded Cassia's body, Cassia was a little serious.

Most places where hexagram images appear are very important. Cassia has not yet come into contact with any information about the image of the hexagram, but he knows that the meaning of the hexagram must be above the strange words. The six-pointed star pattern is a more advanced kind of ancient historical information and can represent more things.

As for why the cave network looks like a six-pointed star, this information must have been engraved into Cassie Hei's head since it was a dragon egg. This is just like Cassie Hei's behavior of carving strange words and symbols on the items he likes. Cassie Hei subconsciously knows the importance of these things, but time has passed so far away that many inheritances and memories have disappeared, so that it only knows that it is important and will use it subconsciously, but it does not know its true meaning, and real effect.

When his thinking was interrupted, it was Cassia who felt Cassia leading him into a downward cave. According to the underground cave network map, this should be the central location.

The depth soon reached two hundred meters underground, but the cave was not over yet. The darkness here seems extremely deep and quiet, and they, imprisoned here by the earth, also have a sense of old history.

At a depth of nearly 500 meters, Cassia and Cassia were completely immersed in the cold water at this moment. High-frequency sound waves showed that there were still those tough tree roots around, with no end in sight. The end of the cave has appeared in Cassia's head, and is connected to a small cavity filled with water. There are many tree roots in the cavity. They are like dozens of spider webs intertwined from different angles, and they form a ball in the center of the cavity. They resemble what a spider does after catching its prey - wrapping the prey in spider silk.

The roots were indeed wrapped around something roughly the same size as Cassihei. When Cassia was thinking about what it could be, the sight of the moment she entered the depths of the southern forest reappeared, and its source was the clump of tree roots. This time, his vision was no longer weak, but more real, as if the tangled tree roots were a surgeon, and he was looking directly at himself, who was approaching it with Cassie Hei.