When Hong Tu completely refined the Realm Stone Tablet, Hong Tu felt a shock in the space around him, and Hong Tu was already able to completely control the Five Elements Cave Heaven. At this time, all the animals in the Five Elements Cave Heaven clearly felt that the Five Elements Cave Heaven was trembling violently and then regained its calm. But the animals didn't feel the danger, so they continued to look for their own food.

A large amount of information was transmitted from the boundary stone tablet to Hong Tu's mind, and Hong Tu felt his brain dizzy for a moment, and immediately knew the current situation in the Five Elements Cave. This Five Elements Cave Heaven is made of gold, wood, water, fire, earth, and five attributes of spiritual objects, and when this Five Elements Cave Heaven was first refined, this Five Elements Cave Heaven only had a space of hundreds of zhang.

And after so many years, under the evolution of the Five Elements Spiritual Object, the current Five Elements Cave Heaven is tens of millions of miles long and wide, and what is illuminated in the cave is a fire attribute spiritual object. In the west, tens of thousands of miles away from the stone house in front of Hongtu, there is a huge freshwater lake with a radius of hundreds of thousands of square kilometers, and this freshwater lake has evolved from the comprehension of water attributes.

The wood-attribute spirit is in the fruit grove where Hongtu entered the Five Elements Cave, a large number of precious spirit fruit trees and wood-attribute spirit objects are growing together, and below the wood-attribute spirit objects is the legendary resting soil, that is, the earth attribute spirit objects. In the mountain forest next to the stone house, most of the metal ores in the mountain forest are derived from this metal spirit object.

In the mountains and forests and in the freshwater lake, there are many demon beasts, all of which were captured by the original owner of this cave. Some beasts are rare spirit beasts in the outside world before entering the Five Elements Cave Heaven, while the other part of the demon beasts are demon beasts and spirit beasts that absorb the aura in the Five Elements Cave Heaven and slowly cultivate and evolve by themselves.

The most important thing in the Five Elements Cave Heaven is the inheritance left by the previous master, that is, the practice of refining the cultivation of the original owner of this cave. According to the news transmitted by the boundary stone tablet, Hong Tu knew that the master of refining this cave was Guang Chengzi, the head of the twelve golden immortals of Kunlun in the ancient period. However, Hong Tu knew that the legendary Golden Immortal Guangchengzi should be the first disciple under the throne of Yuan Shi Tianzun.

Moreover, Guangchengzi recorded in ancient history that his cave should be in Taoyuan Cave of Jiuxian Mountain, not at the bottom of Poyang Lake in the Lao Ye Temple in JX Province. However, Hong Tu also doesn't know whether Guangchengzi, the owner of this cave, is the chief disciple Guangchengzi under the throne of Yuan Shi Tianzun, but according to the introduction of the boundary stone tablet, Guangchengzi is indeed a golden immortal.

This Five Elements Cave at the bottom of Poyang Lake, although it is not Guangchengzi's dojo, is indeed one of the caves where Guangchengzi lived. The inheritance left by Guangchengzi is in the stone house, Hong Tu can now enter the stone house to get the inheritance of Guangchengzi, the golden immortal, regardless of whether the owner of this cave mansion, Guangchengzi is the one recorded in history, as long as the inheritance exercises he left behind are the cultivation exercises of the golden immortals, although Hong Tu does not lack cultivation exercises, but he can also learn a lot of cultivation experience and spells.

Hong Tu went directly into the stone house and found that there was a portrait hanging in the living room of the stone house, Hong Tu looked at the material of this portrait, it seemed to be made of a kind of animal skin, but Hong Tu didn't know what kind of animal skin it was. Guang Chengzi, the original owner of this Five Elements Cave Heaven, is a golden immortal in ancient times, and the age of Hongtu living in the present is at least tens of thousands of years, and the portrait in this living room is still vivid.

Walking in front of the portrait, Hong Tu bowed three times to the portrait, although Hong Tu did not know who the old man painted on this portrait was, but Guang Chengzi, the owner of the Five Elements Cave, hung this portrait in the living room, and there were three futons under the portrait in the living room, obviously this portrait should have a lot to do with Guang Chengzi, and the spirit of the cave told Hong Tu that when Guang Chengzi was in this cave, he often visited the people on this portrait, and it seemed that he respected the old man on the portrait very much.

As a junior immortal cultivator, Hong Tu felt that he still had to maintain a certain amount of awe in the portrait of the golden immortal. Although this portrait looks like it is made of ordinary animal skin, it can be immortal for thousands of years, indicating that the animal skin used to make the portrait must be made of the skin of a powerful demon beast.

There is an antique wooden table under the portrait, this wooden table does not know how many years it has been here, and now Hongtu looks at the table and the table is still spotless. On this table was a ring, a jade slip and a black metal sword made of unknown metal. Hong Tu first picked up the black metal sword, and then used his divine sense to investigate this black metal sword, but he didn't expect this black metal sword to be like a magic power, after Hong Tu's divine sense entered the black metal sword, a large amount of Yuan Shen power was sucked into the black metal sword, Hong Tu didn't react, he felt that his Yuan Shen power was consumed more than half.

This can frighten Hong Tu, in the Five Elements Cave Heaven, what the spirit of the cave in the only boundary stone tablet did not introduce is the deeds of his former master, as well as the use of some of his related items. Just by using his divine sense to investigate this black metal sword, Hong Tu felt that most of his Yuan Shen power had been consumed, and it was obvious that Hong Tu's Yuan Shen power was absorbed by the black metal sword, but Hong Tu couldn't find any record of this strange metal in his cultivation exercises.

Looking at the ring and jade slip next to him, Hong Tu still decided to take a look at the jade slip first, maybe this jade slip introduces the origin of this black metal sword and the role of the ring next to it. Hong Tu probed into the jade slip with his divine sense, and a large amount of information was transmitted from the jade slip to Hong Tu's mind, of course, there was also the introduction of this black metal sword and the description of the empty ring next to it.

This black metal sword is a piece of metal with devouring power that Guang Chengzi accidentally obtained near a white hole, and Guang Chengzi immediately refined it into a spiritual weapon after getting this piece of metal, but originally Guang Chengzi felt that with the material of this metal, it should be able to be refined into an immortal weapon, but Guang Chengzi refined this black metal sword and found that this black metal sword only reached the level of a spiritual sword, but Guang Chengzi thought that even if this black metal sword was just a spiritual weapon, it was much stronger than an ordinary spiritual weapon, although this black metal sword did not give birth to a spiritual spirit, but it had spirituality as soon as it was refined。

Guang Chengzi, who was refining this black metal sword, didn't know why he had added so many rare immortal materials, and what he refined turned out to be a spiritual weapon flying sword. Although this black metal sword has spirituality, for Guang Chengzi, who is already an immortal cultivator in the Golden Immortal Stage, this spirit weapon flying sword has little effect on him, so Guang Chengzi left this spirit weapon flying sword in the Five Elements Cave in the hope that the inheritor who got this spirit weapon flying sword can unlock the true face of this spirit weapon black metal sword.

Because Guang Chengzi has always thought that this black metal sword has something special, although this is just a feeling of Guang Chengzi, it is definitely not wrong for a Golden Immortal Stage cultivator to have this kind of premonition. It's just that Guang Chengzi has studied this black metal sword for many years, and only knows that this black metal sword will devour strangers' divine sense, and has not found other special effects, Guang Chengzi feels that he may not have a fate with this black metal sword, so he leaves this black metal sword for someone who is destined.

According to Guang Chengzi's description in the jade slip, Hong Tu used essence blood to drip on the black metal sword, and this black metal sword had a bloodline connection with Hong Tu's divine sense. When Hong Tu used his divine sense to investigate this black metal sword again, sure enough, his divine sense was not swallowed by this black metal sword again. Although this black metal sword does not have a birth spirit, it already has a certain spirituality, and Hong Tu gave this black metal sword a name, called the Sky Devouring Sword.

And the ring in Hong Tu's hand is a space ring that Guang Chengzi casually refined after cultivating to the Golden Immortal Realm. Although this space ring was only refined by Jin Xian Guangchengzi, it was much better than the space ring left by Fu Siyi, the master of Peach Blossom Mountain, in the hands of Hong Tu himself, the space in the space ring in front of Hong Tu's clone was tens of thousands of times larger than the original one, Hong Tu was the first time to see such a large space ring, no wonder Guang Chengzi named this space ring Qiankun Ring.

The things in this Qiankun Ring are not very important things to Guangchengzi, but they are also cultivation materials that Guangchengzi has collected for many years, so the things in the Qiankun Ring are some useless garbage for an immortal cultivator in the Golden Immortal Stage, but for Hong Tu in the Jindan Period, it is a rare treasure.

In the space ring, there are tens of thousands of mountains in the spirit stone veins, spiritual objects and medicinal materials that have been aged are counted according to the entire mountain in Guangchengzi's Qiankun Ring, and some refining materials and materials for arranging formations are even more than tens of millions of thousands of meters high. Because Guang Chengzi is a formation mage, and his research on the formation path is still very strong, so in the space ring, there are still a lot of Guang Chengzi's perceptions and notes on the formation path, and these perceptions and notes were left in the jade slip of the Qiankun ring by Guang Chengzi.

And the piece of jade that Hong Tu investigated just now is just some of Guang Chengzi's cultivation techniques and cultivation insights to the Golden Immortal Period, and some of them are the formations created by Guang Chengzi himself, as well as some ordinary formations that were handed down in ancient times. With these jade slips, if Hong Tu is interested in the Formation Dao, he still has a lot of hope to become the most powerful Array Dao Grandmaster on Earth.

However, although Hong Tu knew the formation perception left by Guang Chengzi, for an immortal cultivator who cultivated the formation path, it was a treasure that was hard to find. But Hong Tu was not prepared to go out of his way to learn the formation path, only when he was cultivating, if he felt free, Hong Tu would pick up these formation dao perceptions and take a look.