Purple Sun Peak.
This is where Lu Yuan’s Cave Mansion is situated, the heart of the mountain in the rear of Mi Yun Mountain.
The mountain’s defense formation of the Taiping Dao, its most crucial node, is located right here, akin to the Formation Core.
Such a key location could not be entrusted to just anyone for defense by Lu Yuan.
Only he and his Avatars were deemed reliable enough to guard it.
To have such a Formation Core location secured under the protection of the entire formation’s might.
After two thousand years of accumulation, especially after draining the entire Earth Vein from Changqing Mountain, the Earth Vein of Mi Yun Mountain has now become incredibly profound.
Over the years, besides his own devoted seclusion, Lu Yuan kept his various Avatars from idleness.
Instead, they honed their skills by studying the layout of Changqing Mountain, and began constructing a Heavenly Immortal formation also within Mi Yun Mountain.
However, how powerful is a Heavenly Immortal formation!
It cannot be comprehended without a profound realm of understanding—how could mere Earth Immortals grasp it thoroughly?
Qing Guanzi, Yi Dancheng, and the other nine Avatars have pondered for two thousand years and still have not fully understood it, managing to learn only a little from the surface.
Even so, this little has allowed Mi Yun Mountain’s defensive formation to become one of the top Earth Immortal formations.
Even Grand cultivators at late-stage Earth Immortal level could not disturb it.
Lu Yuan has felt the might of the formation, and is well aware that it has surpassed the Earth Immortal level, and is on the verge of breaking through the first barrier of a Heavenly Immortal.
Which means recapturing the Dao Fruit from the hands of the Heavenly Path.
Although cultivators at this level have not merged with the Dao Fruit, the Dao Fruit is still in their own hands and no longer restricted by the Heavenly Path.
Thus, they can wield the Power of the Dao Fruit, which can be several times stronger than that of an ordinary Grand cultivator when pushed to the extreme.
In other words, without a Grand cultivator who has broken through the first barrier of a Heavenly Immortal, cultivators below this realm would have no hope of breaking through Mi Yun Mountain’s defenses.
Just a rough formation engineered by a few Avatars possesses such might.
Lu Yuan could well imagine what the complete Heavenly Immortal formation at Changqing Mountain must have been like.
Even with the situation at Changqing Mountain back then, people like Yang Jihua could not fully activate the formation.
But if the cost were of no concern, bringing the formation to the level of Taiping Dao’s present mountain defense formation would be entirely feasible.
With such might, even if the strength of the Taiping Dao had to face the combined forces of the entire Jiuzhou Immortal Gate, it would likely be difficult to shake Changqing Mountain.
Considering the various hidden traps and dangers that Lu Yuan had previously dismantled at Changqing Mountain, had these all exploded at once,
it is feared that not to mention breaching Changqing Mountain, they might well have suffered a devastating defeat.
Thinking back now to the decision of launching a stealth attack on Changqing Mountain, it seems incredibly fortunate.
Every time Lu Yuan observes the grand formation at Mi Yun Mountain, he can’t help but feel relieved.
Given the terrifying power of the formation present at Mi Yun Mountain, the defense capabilities of the Formation Core at the heart of the stronghold can be well imagined.
As the central point of the grand formation, it is naturally protected by multiple layers of the formation’s power.
Here lies not only the strongest defense.
But also, to protect the Formation Core from being suddenly assaulted and decapitated by the enemy, the strongest Kill Array within the entire formation has been set up here.
Ordinary Grand cultivators coming here without precautions could likely be caught by the Formation Method Kill Array.
With that strength of the formation, which is several times stronger than an ordinary Grand cultivator, it is highly dangerous even for Grand cultivators to face.
This is also why Lu Yuan feels safe cultivating here and why many cultivators of the Taiping Dao Sect dare not come uninvited.
Because of this Kill Array, apart from Lu Yuan who has broken through the second barrier of a Heavenly Immortal, no other cultivator within the Taiping Dao Sect can handle it.
Even Grand cultivators might lose their lives facing this Kill Array.
For those Earth Immortals within the Taiping Dao Sect who have only early-stage strength, carelessly wandering here without permission and triggering the Kill Array’s defensive response,
would find no mercy from the heavens or the earth, and could end up losing their lives.
With such levels of protection, Lu Yuan naturally cultivates at ease, without fear that someone might sneak in with malicious intent.
It’s not just about this one layer of Formation Core defense.
Near the main Formation Core of Purple Sun Peak, there are more than ten other peaks serving as auxiliary Formation Cores and situated in all directions.
These surrounding auxiliary Formation Cores are also manned by Earth Immortals from the Taiping Dao Sect.
Should any issue arise here, the signal from Purple Sun Peak can summon support from all corners in an instant.
Such a response truly calls forth a formidable array of assistance.
The True Immortals within the Taiping Dao Sect, understanding the severity here, dare not cause trouble at this place.
Wishing to meet with the School Leader, they can only ask to see Yi Dancheng, Qing Guanzi, and others first.
For it’s only those who are authorized to open the Formation Core area of the core.
Without them, outsiders wouldn’t have the means to see Lu Yuan.
Leading a group of True Immortals, Qing Guanzi and others arrived at Purple Sun Peak.
Upon using the command talisman, and forming the specific Spell, the peak shrouded in a faint golden light suddenly surged with golden radiance, and then a small opening wide enough for three people to walk abreast appeared.
"Gentlemen, follow me inside!"
With the command talisman retracted, Qing Guanzi turned back to look at the Immortals following him and said indifferently, then took the lead flying towards the opening.
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Seeing this, the Immortals also hastened to control their flight lights, following closely behind.