"Is this the place?" asked Landolia, looking at the clusters of black crystals growing wildly on the top of the cave rock.

"Judging from Hill's description, this should be the place where 'Gray Corner' was discovered before. Liu Li, Squirrel and Lin, all three of them were amazed by the scenery in front of them, and even Landolia, who had just asked the question, couldn't help but sigh at the magic of nature.

What appeared in front of the four of them was a deep pit with a diameter of 100 meters and a depth of more than 10 meters, the bottom of the pit was unusually flat, and you could see the traces left by the shadow beasts that had gathered here. The crystals on the roof of the grotto that emit a faint shimmer grow staggered, and the closer to the center of the cave roof, the larger the volume. The smaller ones are comparable to an adult's arm, and those slightly closer to the inner circle are more than enough to fit the whole person in, and in the center of the grotto, a thick crystal cluster extends from the roof of the cave and runs straight down through the ground.

Liu Li summoned a black hole, and the huge black hole became more and more stable as several people approached the giant crystal in the center of the cave. A black hole of this scale is already the limit of what Liu Li can do with second-order spiritual power. If you are in another environment, although you can barely condense it, you can never do it so perfectly. Although he had already guessed, Liu Li really didn't expect that this kind of spar would be of such a great help to the stability of the black element.

"Teacher Landuo, what exactly is this?" Liu Li asked curiously as he waved his hand to dissolve the black hole.

Landolia didn't answer Liu Li's question right away, she had indeed seen something similar to these black hedrons. But even for a high-level mage, this kind of strange thing that can stabilize the elements is extremely valuable. As for being as big as the central pillar of the cave, Landolia had never heard of it, not to mention that she had never heard of it.

"You think of it as a ...... Well, that's the precious material for supporting spellcasting. But to be honest, I've never seen anything this big. Landolia explained to Liu Li as she expanded her senses. The spiritual power of the high-level mage is so strong that even the thick rock walls in the cave can't stop Landoria's exploration. Under the perception of this high-level mage, there is nothing abnormal around the grotto, and the crystals on the top of the rock are just some rare materials. But just after she extended her spiritual power to the ground, she finally made an amazing discovery.

"Liu Li, you try to extend your spiritual power downward through the crystal pillar in the middle. ”

Liu Li did not hesitate and did what she said. Although his spiritual power level had only just stabilized the second-order realm, with the bonus of the "omniscient" talent, it was also much stronger than other beginner-level mages. The spiritual power was submerged in the crystal pillar, and Liu Li, who was extending downward, quickly discovered the problem.

With Liu Li's current cultivation, the outgoing spiritual power can already be extended to a distance of about 100 meters, and if he concentrates on extending it in one direction, the expansion distance will be doubled. Normally, the extension of spiritual power in the entity will be attenuated due to the increase in the density of the object, but Liu Li's spiritual power that did not enter the crystal pillar did not encounter any obstacle at all, and it extended smoothly to a depth of more than two hundred meters underground, and even had extra strength.

"Teacher, I've reached the limit distance, and I haven't noticed anything abnormal. Liu Li was dual-minded, maintaining the state of expansion of his mental power, and turned his head to Landolia and said.

"No, it's not your limit, you can continue. Landolia didn't let Liu Li stop there, but let him continue, "You can relax your control over your mental power a little, in this kind of spar, your spiritual power is not so easy to collapse." ”

The crystal pillar contains black elements, although the element reserves are not large, far less than the magic crystals of Warcraft and other demon storage crystals, but the huge volume is placed here, and the content of black elements is definitely a lot. Compared to the black elements that are free of air, the elements in the hedron are more stable. Only then did Liu Li discover that his spiritual power extended downward through the crystal pillar, and the degree of loss was simply minimal, and even these stable elements could make his control of spiritual power easier.

300 meters, 400 meters...... It wasn't until the depth of more than 500 meters that Liu Li finally had a feeling of lack of strength. And at this moment, he also noticed that the scarlet that appeared at the end of the spiritual power perception, with a manic and violent aura.

"See?"

"Well, it's so deep, how can this pass?" Liu Li was very distressed, the position of those red elements was too deep.

"Originally, there was no way, even with the cultivation of a high-level mage, it was impossible to reach the ground five hundred meters deep through any teleportation spell. Landolia said, looking at the pillar in the center of the grotto, "But luckily we have a natural tunnel to get there. ”

With Landolia's spell, the black elements enriched in the cave moved violently, and the huge funnel "Dark Shuttle" was directly embedded in the crystal pillar in the center of the cave.

"I've already explored the underground environment, and not far from those red elements, there happens to be a gap where we can stay, enough for the four of us to get out. While maintaining the stability of the funnel, Landolia summoned several black holes, and without even asking a word, she threw a person, a loli and a cat lady into the funnel, and then walked in herself.

Liu Li was once again immersed in the state of the elemental form, unlike before, this time after the elementalization, he shuttled through the crystal pillar, and there was no feeling of galloping, and the effect of the stable element in the crystal also acted on him.

Liu Li felt that the elementalized self seemed to be put on a layer of restraint, but did not produce any sense of oppression, as if the elements with their own consciousness were fixed within a specific range. This feeling was so novel that Liu Li could even perceive that if he could keep it in this state and cast spells, the power of the spell could be nearly doubled.

"Remember this feeling, this is what a high-level spellcaster should be when casting an elemental form. Hearing Landolia's prompt in his ears, Liu Li no longer dared to be distracted, but began to seriously appreciate the state at this time, and Landolia's explanation did not stop, "Elemental transformation is one of the abilities that high-level mages must master, and it is also the guarantee for the survival of high-level spellcasters. In this state, the caster can ignore most physical damage, and even take a blow from a martial art without taking too much damage. However, it should be noted that the magic of the opposing elemental will deal much more damage to the elemental form. Of course, even if it's a spell of opposing colors, if the elemental content doesn't exceed the total amount of elementals contained in your own elementalization, it's not unbearable, but it will just hurt a little. ”

The distance of five hundred meters can be described as an instant for the spell of "Dark Shuttle", if it were not for Liu Li to experience this feeling more, the process of passing through might only take a few seconds. The position of the few people who came out of the black funnel again was in the gap between the rock walls, in a space of less than ten square meters. Ignoring the continued exploration of the red elements that showed another characteristic, the first thing Liu Li had to solve was the Lori hanging on his body, and at the same time appeasing the fried-haired cat lady, which made Landolia speechless for a while.

Finally appeasing the two girls, Liu Li once again put his hand on the crystal pillar beside him, where he could more clearly perceive the scarlet not far away.

"It doesn't look like it's easy. "Landolia, who has high-level strength, naturally sensed the situation below one step ahead of Liu Li, and the problems that appeared in the dark cave were obviously not naturally formed, but caused by man.

Here, the pillar continued downward for more than twenty meters, until a huge cavern pierced the top of the rock, revealing a sharp bottom.

In the huge cavern, the ground is depicted with intricate magic circles, and the magic circles are so large that they occupy almost the entire cave floor. At each node of the magic circle, there is a magic crystal that is at least a mid-level demonic beast, and there are more than twenty of them. Among the five most important nodes, there is a steady stream of elements provided by high-level magic crystals.

In the center of the circle was an altar, which was not large, only five meters in circumference, but it was extremely elaborately constructed. Enshrined on the altar in the center of the altar was an ornate staff, the scarlet scarlet spar at the top of the staff, as if held in the palm of the hand by a hideous claw, embedded in the staff.

"Teacher, who are they?" Liu Li was shocked by what he saw, he really couldn't imagine who could carry out such a huge project so deep underground.

"Oh, Odin of the north. Landolia's voice revealed an almost irrepressible anger. "It seems that they have been prepared, and considering the distance from the western border, you can imagine how much trouble it will be in the war in a few years if we have not been discovered in advance. ”

How could Landolia not be angry, a few years later, whether it was herself, her lover Wells, or even Liu Li, a common student of the two of them, would be involved. If these hateful Odins really find a chance to strike a fatal blow, one can imagine what the outcome of this war will be.

"Odin, have they united with Baier?" Since deciding to go to the battlefield, Liu Li has not known much about the war, so it is naturally impossible not to perceive the purpose of the construction of this magic circle.

"Maybe it's a union, or maybe it's because these Odin people want to take advantage of the fisherman. "But no matter what, now that we've discovered it, their plan is doomed to fail." I'm more curious, though, where exactly they found the staff. ”

Hearing Landolia's words, Liu Li's heart darkened: "Yes, the power contained in the red spar on the head of the staff definitely does not belong to this world. ”

"Let's go, let's go back first, it seems that your previous decision was not a trivial one. "Although Landolia is crazy, she also has the calmness of the caster, and knows that she must not act brutally at this time. "I'll use your shield first, I need the power of elemental crystals to set up a magic circle, next time I come over, I must give them a hard blow." ”