The Legend of Dragon and Phoenix of Douluo

After clearing away the rocks and ice, Yunze and Gu Yuena entered a cave.

This is an ice cave with an area of ​​more than 200 square meters. The ground is uneven and there are many strange icicles sticking out from the ground like bamboo shoots.

The strange icicles come in different sizes. The thickest one is seven or eight meters high, almost touching the top of the cave.

Icicles are all blue, with colors ranging from dark to light. If you look carefully, you will find that these icicles can be divided into two types.

One of them has a strange texture, giving people a soft and watery feeling, and contains a lot of icy energy inside.

The other type has a metal-like texture, giving people a sense of toughness, and the cold energy it emits is relatively weak.

Yunze and Gu Yuena landed and looked around. The icicles emitted blue light, making the cave not too dark. They could see the surrounding scene clearly.

It was very quiet inside, with only the sound of water dripping, and the gentle breathing of the two people could be heard faintly.

The sound of water dripping quickly disappeared, and the water melted by the Yangquan water quickly solidified into ice.

"Is this the Wanzai Xuan Ice Marrow and the Ice Divine Crystal?" Gu Yuena asked with a hint of surprise.

She couldn't tell the difference between the Black Ice Marrow and the Ice Divine Crystal, but she still had basic eyesight and could tell that these extraordinary icicles could be divided into two types.

"Yes." Yunze nodded, walked towards the nearest icicle, and reached out to touch it.

As his palm came closer, Icicle reacted instinctively, and the outpouring of cold air intensified, seeming to prevent Yunze's touch.

Yunze was not surprised. This ten thousand years of black ice marrow contained extremely cold energy, so it was normal for him to resist his flames.

A flame ignited on the surface of his right hand, resisting the incoming cold air and turning it into water vapor that floated up and water dropped down.

The extremely cold energy, which was enough to give Super Douluo a headache, failed to stop Yunze. He still put his hand on the Wanzai Xuan Ice Marrow.

He didn't use flames to burn the Xuan Bing Marrow, he just touched it normally and put away his hand after a moment.

"This is the Black Ice Marrow, and that is the Ice Divine Crystal." When Yunze said the second half of the sentence, he pointed to the shorter hard icicle next to him.

Listening to what Yunze said, Gu Yuena was able to easily distinguish between Xuan Bing Marrow and Ice Divine Crystal.

After paying close attention to the Ice Crystals, he couldn't help but smile and said happily: "There are about forty Ice Crystals in it."

"The smallest one is more than half a meter tall, and the total volume is not small. Even if all the mechas are made of ice crystals, it probably won't be enough."

"It's indeed enough. The height of the mecha I plan is only about ten meters, and other metals are needed."

"The ice crystals here are enough to make three mechas of that kind," Yunze said.

Ice Divine Crystal is the core metal of that kind of mecha, but it is not the only metal, and not all of them are made of Ice Divine Crystal.

"That's good. With the Ice Divine Crystal inside, we won't be afraid even if the Ice Divine Crystal in another Xuanbing Cave has been taken away or is missing."

Gu Yuena said with a smile, knowing that the Ice Divine Crystal inside was enough, she no longer cared so much about the situation in the other Xuanbing Cave.

Yunze walked around the cave, observing the conditions of the black ice marrow and the ice crystals.

Based on these circumstances, it can be judged that there is only one Black Ice Cave in this area, and there is no second one.

If the distance between the two black ice caves is less than ten miles, the black ice marrow and ice crystals formed inside will have certain characteristics.

He did not see these features on these icicles, which meant that there was no second Black Ice Cave nearby.

"How many years did it take for these black ice marrows to be cultivated? The ice energy contained in them is so huge."

Gu Yuena was shocked and said that the energy contained in this ten thousand years of black ice marrow was stronger than she expected.

If such a huge amount of pure energy were absorbed by an ice attribute soul beast or a soul master, the benefits would be unimaginable.

"The smallest one is more than half a million years old, and the other one is more than a million years old." Yunze pointed to the middle icicle.

The middlemost icicle is the thickest in the entire cave, with a height of more than eight meters, like a cone with the tip cut off.

It's just that its surface is not flat, with ridges similar to tree bark, and its shape is very irregular.

"So long?" Gu Yuena's beautiful eyes widened and she looked at the icicle in the middle in surprise.

"The accurate year should be 1.53 million years, which is the longest-lasting black ice marrow in this place."

"The second oldest one is that one, which has existed for more than 1.3 million years. The other three roots have also existed for more than one million years."

Yunze said, and pointed it out specifically for Gu Yuena. After the observation just now, he clearly knew the age of each black ice marrow inside.

Not only the year of the Xuan Bing Marrow, but also the year of the Ice Divine Crystal.

"No wonder it contains such huge and pure ice energy," Gu Yuena said with a look of surprise.

The youngest ones here are more than 500,000 years old. After such a long period of accumulation, it is normal to have such a huge amount of energy.

"You have the ability of ice element, and you can also absorb this black ice marrow, but my suggestion is to pick the three smallest ones here to absorb first."

"The ice element is just one of your abilities. You can strengthen it, but you can't strengthen it too much. You must avoid the situation where the ice element far exceeds the other elements."

"Balanced development is what's best for you. You can't just focus on the ice element," Yunze suggested.

"It is best for you to absorb three pieces of black ice marrow now. When you get the heavenly materials and earthly treasures in the fire element, earth element, etc. in the future, you will enhance the corresponding elemental abilities."

"At that time, we will consider absorbing additional Xuanbing marrow. In short, the elemental abilities can be improved asynchronously, but the gap between them cannot be too large."

Gu Yuena looked at Yunze with burning eyes and smiled slightly, revealing her dimples: "I will listen to you and absorb three pieces of Xuanbing Marrow."

She felt warm in her heart, and Yunze's obvious words of concern seemed to still be echoing in her ears, which made her feel happy.

Yunze seemed not to notice Gu Yuena's bright and affectionate gaze, and summoned the Ice Dragon King's soul again.

"Take all these things away," Yunze said to the Ice Dragon King's soul.

To take away the Black Ice Marrow and the Ice Divine Crystal, the Ice Dragon King is the most suitable, as it can take away these things with minimal damage.

"Easy..." The Ice Dragon King's soul became busy and began to collect these icicles according to the method Yunze taught it before.

More than an hour later, Yunze and Gu Yuena flew out of the ice cave, sealed the cave entrance with ice, and left here.

In this Xuanbing Cave, they were able to harvest a lot. They obtained a total of forty-four Ice Divine Crystals and sixty-eight Ten Thousand Years Xuanbing Marrow.

Even if they didn't gain anything after going to another Xuanbing Cave, their trip was still in vain. They had already obtained a sufficient amount of Ice Divine Crystals.

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