Although Qing Yuelin already has the strength of a fifth-grade monster, he has not yet refined the bone between his throat and cannot speak human words.
He could only lie down on the ground and convey a grateful thought to Lu Xuan.
The cave spirit beast opened its book, and Lu Xuan was naturally happy to see it.
He watched Qing Yuelin leave quickly with the Wanxiang Grass in his mouth, and looked at the Tingfeng Beast that turned into a wisp of breeze and wandered around the cave with some regret.
This seventh-grade spiritual beast with special abilities is quite Buddhist. It does not fight or grab, and is free and easy.
Lu Xuan called Bai Yuan over.
"I need to leave for a while recently. If any of my fellow disciples come to see me, just tell me that I am practicing in seclusion."
"As short as two to three months, as long as one year or so, he will return to his clan."
"You should guard the cave during this period. Qing Yuelin is busy breaking through, so don't disturb it in the near future."
He gave White Ape detailed instructions.
"Keep in mind what the master said."
"As for Qing Yuelin, I'm still waiting for him to be promoted to the sixth rank as soon as possible."
"It's so boring to beat the fifth-grade. Others thought I was bullying it."
The white ape grinned, revealing its mouth full of sharp teeth.
Lu Xuan smiled and shook his head, returned to the house, and prepared to go to the incomplete cave.
The next day, he left the Sword Sect quietly and rode the giant sword boat into the endless void.
Nearly a month later, he arrived near the incomplete cave.
Along the way, he deliberately avoided the monks. Apart from encountering a few eyeless star beasts and some sudden space cracks, he encountered no other situations.
Still hundreds of miles away from the incomplete cave sky, he put away his giant sword boat, released Hua Meinu, used a small movement technique, and quietly arrived in front of the black mist that shrouded the incomplete cave sky.
"The location of the incomplete cave is extremely remote, and there is a black mist with a natural restrictive effect. In addition, I left the Zhoutian Star Sword Fighting Formation outside. Therefore, even if I have been away for many years, there is no trace of outsiders entering."
After he confirmed that there was nothing unusual, he entered the sword formation with confidence.
When it landed on the ground, Lu Xuan's consciousness instantly locked onto the Eight-layered Palace plant in the spiritual field.
Six spiritual flowers have bloomed in the Eighth Palace, and many spiritual flowers are stacked together, revealing various astonishing phenomena.
Because the seventh level spirit flower is not nourished by time and space treasures, its growth rate is extremely slow, and it takes a long time before the spirit flower blooms.
On the small flower buds, there seems to be a transparent river with layers of ripples. The river flows endlessly, making people feel the passage of time.
Lu Xuan's mind was focused on it, feeling the detailed status of the seventh level spirit flower.
[The eighth-level palace, a seventh-level spiritual plant, was bred from the original breath of the cave. It has grown to the seventh-level Zhouji Palace. It needs to be nourished by high-grade spiritual soil, pure spiritual energy, and high-level treasures containing the power of time, so as to promote spiritual flowers.
Growth, from virtual to real.】
"Unknowingly, we have reached the seventh level of the Zhouji Palace. As expected, it needs the treasure of time to nourish it. Fortunately, I got the time arrow from the Sword Sect's treasure house."
Lu Xuan sighed with emotion in a low voice.
He still remembered that in Huanxi Star Cave, he used his special ability to perceive the detailed information of spiritual seeds to carve out this rare seventh-grade spiritual seed from an ancient stone.
After many years of cultivation, it is finally coming to an end.
When he was lost in memories, a magical little arrow quietly appeared in front of him.
The arrow is uncertain between reality and reality, and the arrow body has a deep spiritual light flowing gently, which is somewhat similar to the transparent river on the bud of Zhouji Palace.
The arrow tail is dragged in the void, looming, and you can feel a trace of the power of time from it.
"Although the seventh level has been planted for some years, its growth is slow and it still needs to be nourished by the treasure of time."
After returning to the Sword Sect from the Broken Cave Heaven last time, Lu Xuan concentrated on breaking through to the realm of Yuanying. It was not until he was successfully promoted to Nascent Soul and obtained this time arrow from the sect's treasure house that he had the opportunity to come to the Broken Cave Heaven.
"Now that it's here, let's just ripen the seventh-layer spirit flower."
Such thoughts appeared in Lu Xuan's mind, and they became stronger and stronger.
He is now eager to refine this incomplete cave sky into a portable space, so he does not hesitate to use the sacred tree green pot and Hunyuan tree sap to cultivate the Eighth Level Palace to maturity as soon as possible.
"The spiritual energy of the plants and trees in the sacred tree green pot was completely used up the last time to ripen the Duer flowers. After replenishing it in the past few years, more than half of the pot is now available."
"As for the Hunyuan tree sap, there are still seventy-seven drops left, which is more than enough."
"After you're done, let's go to the Aoki Star Cave for a walk."
"My relationship with Xuanji Tree Mother is quite good. Now I have been promoted to Nascent Soul, and I also have a strong background in the Dongxuan Sword Sect. If we discuss it carefully, Xuanji Tree Mother will not refuse."
Lu Xuan thought secretly in his heart.
After making his decision, he no longer hesitated.
The small emerald green pot quietly appeared in the sky above the Eighth Palace, and wisps of extremely pure vegetation spiritual energy slowly floated out from the mouth of the pot and seeped into the flower buds.
The transparent river on the surface of the flower bud flows faster, as if it has drawn some special power from the time arrow next to it. Lu Xuan seems to see the water in the transparent river rising with his spiritual consciousness.
The spiritual energy of the plants and trees in the sacred green pot is continuously poured into the spiritual flowers, and the vitality of the spiritual flowers becomes more and more vigorous.
Three days passed, and most of the pot of plant and tree spiritual energy was exhausted.
Lu Xuan looked as usual, and a drop of Hunyuan tree sap quietly appeared in front of him.
One drop, two drops, three drops...
As more and more Hunyuan tree sap is absorbed, Zhouji Palace grows at a speed visible to the naked eye, and a strange spiritual flower formed by the long river of time blooms silently.
It wasn't until the ninth drop of Hunyuan tree sap that the translucent progress bar under the spirit flower was completely full.
A white light group quietly appeared in the center of the spiritual flower.
"It took more than half a pot of plant spiritual energy and nine drops of Hunyuan tree sap to successfully ripen one of the eight layers of the palace."
"That is only a part of the seventh-grade spiritual plant. If you want to mature a complete seventh-grade spiritual plant from scratch, you will have to use a lot of resources."
Lu Xuan thought secretly in his heart, looking at the white light ball with strong expectation in his eyes.
He reached out and gently touched the surface of the light group.
In an instant, the light group shattered silently, and rain of light fell from the sky. In an instant, it condensed into a slender river of light, and quickly sank into Lu Xuan's body.
At the same time, a thought flashed through my mind.
[Harvest the eighth-level palace, the seventh-level Zhouji palace, and obtain the seventh-level treasure ancient sundial.]
The thought disappeared, and a mottled ancient sundial appeared in front of Lu Xuan.
The surface of the sundial is full of large and small cracks, as if it has passed through eternity, and the scales engraved with ancient characters can be vaguely seen.
Lu Xuan concentrated on it and immediately understood the detailed information about it.
[Ancient sundial, a seventh-grade treasure, is said to be left behind by the barbaric human race in ancient times. It contains the power of time and space. Entering it can adjust the flow of time and affect the surrounding time and space. 】
[Combined with the seven rare treasures of wind, earth, water, fire, yin, yang, and space, it can refine an unowned cave into a portable space. 】