When cultivating the real realm, Zhou Lei's cave world was still small and not a real world, and it could only be regarded as a complete cave mansion. However, after the immortal qi enters, the cave world can evolve, and at this time it is called the dust world. The dust world evolves again and is called the small world, the small world evolves and is called the middle world, and the middle world evolves and is called the big world.

The dust world corresponds to the heavenly immortals, the true immortals. The small world corresponds to the Xuan Immortal, the Golden Immortal. The middle world corresponds to the Great Luo Jinxian. The big world corresponds to the Immortal Emperor.

When Zhou Lei advanced from a heavenly immortal to a true immortal, it seemed to come naturally, and he naturally advanced to become a true immortal. Now I think it has something to do with the dust world in the body, after all, the dust world corresponds to the heavenly immortals, the true immortals.

But when Zhou Lei advanced from a true immortal to a Xuan immortal, it was not so easy. I think that the dust world corresponds to the heavenly immortals, the true immortals. The small world corresponds to the Xuan Immortal, the Golden Immortal. The world of fine dust evolves again and is called a small world, and it is difficult to evolve into a small world. If it evolves into a small world, it will also advance to the Xuan Immortal.

The evolution of the dust world is called the small world, and the prerequisite is the understanding of the laws in the dust world, as well as the qualitative change of all matter in the dust world.

In Zhou Lei's dust world, there are immeasurable merits, and after ascending to the fairy world, they are nourished by the immortal energy, which are very different, and the extraordinary effect of rare and exotic objects, ten thousand years of white jade is naturally raised, and it can be placed on the hill for a long time to generate white jade. Purple magnolia can produce purple magnolia pollen, which is the best alchemy, and the success rate of alchemy with purple magnolia pollen has been greatly improved. Heaven and Earth Pill, although it is an elixir, but the greatest use is to attract the qi of heaven and earth. A white jade mushroom is also an extremely rare thing. The lightning and thunder stone can be cultivated into a spiritual treasure or even an immortal weapon. A Yin-Yang Pill can absorb the energy of Yin and Yang in the sky. A piece of sword qi vertical and horizontal stone tablet can guard the exit of the Jindan world. The Five Elements Qi is the origin of the Five Elements, and when placed in water, the Five Elements Qi can be gradually diluted and replenish the Cave World. The house is full of gold and jade, extremely domineering, and it is also an extremely precious thing. The white spotted leopard is a rare monster beast with extraordinary talent. A pair of white light mirrors, placed above the entrance and exit of the Jindan Cave Mansion, can know the entry and exit of any monk. Jue Cao, you can awaken the mind. Ordinary beasts, after swallowing Juecao, can have sanity. The flowers on the other side, the flowers do not see the leaves, and the leaves do not see the flowers. In the world of caves, there is a little more perfection and a little less flaw. In the cave world, cultivating under the Buwu tree can improve one's understanding. The Demon Dao Stone is a rare treasure for the evil sect. Yuxing stone can improve the time of jade formation, so Yuxing stone and 10,000-year-old white jade are a perfect match when put aside. Purple Bu Yu, born to divination. And the Bagua Terrace is just a development, and it has mysterious power. A drop of holy water was placed in the lake of the ultimate white lotus. Nourishing the world of caves, the holy water of Buddhism is infinitely useful. A drop of moon water dripped into the lake of the ultimate white lotus. It can make the moon in the sky run better. Cloud flowers grow above the clouds, the flowers bloom and scatter, and the flowers fall and gather in the clouds. The Jindan Cave Mansion, which has cloud flowers, can breathe wind and rain on its own. The light grass can emit light day and night, so that the surrounding elixir can double the growth rate, which is a rare spirit grass. Golden Pebble Beach can swallow the aura on its own, and the cave world can gradually grow, although this is very slow, but there is no hidden danger. Immovable Stone can be a great increase in the defense of the cave world. The lion and the camel, the body of the camel and the head of the lion, are born of strange beasts, and they are rare. The half-heavenly stone is a semicircular stone. Where there is a half-day stone, it must be blessed with unique nature, and the wind and rain are smooth. The Guangjingzhu can record all the things of the day, and the Guangjingzhu is placed above the elixir field, which is also convenient for managing the elixir field. The higher the flower, the more you can refine the pill of the Yuan Infant Stage, which is extremely precious. One of the Flame Demon Beast Inner Dan can be the Cave World Palace, which will not invade the cold and heat, and the raindrops will not fall. Although Niujiaotuo tea is only tea, Niujiaotuo tea is a little special, and planting an elixir field can grow into a Niujiaotuo tea tree, but the time is a little long. The six-leaf water is very special, it is a strange thing in heaven and earth, it does not move in the river, neither drifts with the waves, nor does it fall to the bottom of the river. Snow pear can improve the purity of the aura in the body, and it is a very rare spiritual fruit. Although the name of the Evil Wind Mushroom is a bit terrifying, the Evil Wind Mushroom is a first-class healing elixir, and if it is used for alchemy, the effect is excellent. The Yiwu bird is a spirit animal in the foundation building period, which can emit flames. This kind of flame is like the real fire of Samadhi, but unfortunately it is only a little like, and it is not true, but the Yiwu bird is very beautiful. The moon grass blooms when it meets the moon, it is a rare spiritual grass, and the moon grass can emit bursts of moonlight, which can nourish the growth of the elixir. A drop of sword washing water gave the cave world a little more sword energy. The Infant Crying Flower is the main elixir for refining the Yuan Infant Pill, and how precious it is can be imagined. The white rock can block the divine sense, whether it is used for refining weapons or hiding, it is a rare treasure. Bloodstone can absorb blood qi, and after absorbing bloodstone blood qi, it can be refined into a spirit treasure. The spirit treasure refined with blood stone kills people without seeing blood, and hurts people without leaving life. The Taiyi Palace Stone can make the formation exert its greatest power, and it is also a rare treasure. The moon stone can absorb the essence of the sun and the moon, and it is placed around without fear of demons. Hundred-year-old Thai wine is commendable, and it is named after monkey wine in the Xiuzhen world. The sword grass looks very much like a sword, and practicing next to the sword grass for a long time can improve the comprehension of the sword. The sky is colorful, some luck, and it is most suitable to guard the World Hall of the Cave Mansion.

It is precisely because of these rare and foreign objects with a solid foundation and immeasurable merits that Zhou Lei can advance from the middle stage of the True Immortal to the late stage of the True Immortal in just fifty years, and advance to the Xuan Immortal in one fell swoop.