Longevity through Upgrading Buildings Chapter 725 - 310: Millennium Core Formation

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Previously on Longevity through Upgrading Buildings...
Ji Yuan has successfully advanced his physical body to the Core Formation Realm, using it as a trump card for close-quarters combat. Realizing his physical body's speed is inferior to mana-based escape techniques, he plans to use this as a disguise for ambushes. He notes that further breakthroughs in body cultivation require specific materials he doesn't yet possess. To acquire these, Ji Yuan decides to venture overseas to find a deserted island and establish new structures, as his current income from Spirit Stones is insufficient. After nearly eight months of isolation training, he plans to prepare materials for upgrading the Chaotic Burial Mound and refine the Yin Corpse Demon Fire for added protection before heading to the Jiyuan Continent. He also intends to make the name "Qiu Qianhai" well-known across cultivation paths and chooses a specific deserted island near Coastal City to leave a message.

To achieve a breakthrough and refine the Profound Sun Blood Amber and Blazing Sun Bones within his body, he ventured 120 miles deep into the Thunder Shock Marsh this time.

It wasn’t that he didn’t wish to venture further.

However, upon crossing the 100-mile mark, the power of the purple lightning escalated with every mile deeper. Reaching 120 miles, he had already met his absolute limit.

As anticipated, the lightning at this particular location indeed facilitated a breakthrough in his physique.

Therefore, he was now capable of attempting to push even deeper.

Miles… Can this truly shatter my defenses?

Ji Yuan grimaced, observing his hand which was cracked and bruised by the lightning. Swiftly mobilizing his Qi and blood to fortify himself, he pressed onward.

Miles.

The moment Ji Yuan set foot further in, a massive bolt of lightning struck down, repelling him forcefully.

Had it not been for his rapid reflexes, he truly felt that this lightning strike could have ended his life.

Is it truly this ferocious?

While gasping for breath, Ji Yuan also formed a hand seal, casting the second layer of the "Water Dragon Technique". The Sea Dragon Armor enveloped him, somewhat alleviating the immense pressure.

He gazed at the towering purple lightning looming ahead, his curiosity intensifying.

‘What would the heart of this Thunder Shock Marsh be like? What treasures lie within? Perhaps some rare Heavenly Treasures?’

Ji Yuan had previously inquired from Li Changhe about the Thunder Shock Marsh, but the answer remained consistent: no one had ever reached its core.

Oh, wait. Those two Divinity Transformation Cultivators from the Shang Court ages ago – it’s uncertain whether they entered or not.

In any case, no Nascent Soul Cultivators have ever ventured inside.

Naturally, Ji Yuan reasoned that the main reason was the scarcity of Body Cultivators on the Cangluo Continent; otherwise, someone would have undoubtedly made the attempt.

“I am currently in the second stage of Body Cultivation, the Bone Forging Realm. If I could attain the third stage, the Golden Body Profound Bone Realm, I should then be able to reach the center of the Thunder Shock Marsh, correct?”

Yet, as things stood, Ji Yuan still harbored a desire to probe further.

Why not experiment by employing the Mountain of Mind and Heart?

That artifact possesses remarkable resilience, and its size can be diminished to an infinitesimal degree, thereby drastically reducing the impact of the thunder and lightning it encounters.

Once a decision was made, if the attempt proved futile, he could simply retreat.

With a single thought, Ji Yuan released the Mountain of Mind and Heart. Before the lightning could strike, he had already retreated into the Cave Mansion, allowing his Lifebound Magical Treasure to shrink into a speck of dust.

“Go!”

At this juncture, Ji Yuan stood at the entrance of the Cave Mansion, his complete focus directed towards commanding his Lifebound Magical Treasure to progress deeper into the Thunder Shock Marsh.

The Lifebound Magical Treasure soon penetrated the Thunder Shock Marsh, reaching the 140-mile perimeter.

The Mountain of Mind and Heart had already been reduced to a size akin to dust, making it naturally impossible for it to be directly impacted. Only faint residual sparks of lightning managed to brush against it.

Excellent, no significant issues encountered.

Ji Yuan paused, sensing his surroundings for a moment. Assured that no major problems existed, he then urged the Mountain of Mind and Heart to advance further into the Thunder Shock Marsh.

Miles… A minor hurdle presented itself, but it remained manageable, not a significant concern.

Miles.

Ji Yuan observed the minute lightning sparks that managed to seep through the defenses and land upon the surface of the Mountain of Mind and Heart.

It felt like mere tickling.

Miles… 180 miles… It’s no longer effective!

The instant Ji Yuan reached the 180-mile mark, he felt a tingling sensation throughout his entire body, and the entirety of the Mountain of Mind and Heart began to tremble.

At 180 miles within the Thunder Shock Marsh, the power is equivalent to the Nascent Soul Stage!

Retreat!

But just as Ji Yuan was preparing to withdraw, his gaze landed upon what appeared to be two stones lying on the ground ahead.

To withstand divine lightning and remain unscathed, coupled with both stones emitting a faint purple divine light—how could these be ordinary objects?

Such an item is valuable, and now it shall be mine!

As he made his departure, Ji Yuan commanded the Mountain of Mind and Heart to retrieve these two stones and bring them into his possession. Following this, his Lifebound Magical Treasure shot back like an arrow along the path he had just traversed.

In mere moments, it returned from the 180-mile depth of the Thunder Shock Marsh to the 20-mile mark.

Within the vicinity the Mountain of Mind and Heart now occupied, the thunder and lightning were almost inconsequential.

This reprieve allowed Ji Yuan to catch his breath. He proceeded to consume an improved Qi Blood Pill, which disseminated potent Qi and blood, visibly mending the lightning-induced injuries upon his body.

He also flipped his right hand, causing the two stones he had previously acquired to materialize within his grasp.

The earlier lightning was too intense for a clear view, but now, holding them in his grasp, a single glance confirmed their identity.

Purple Sky Stones!

Purple Sky Stones were actually present in this Thunder Shock Marsh!

These were essential materials for upgrading to Level 3 at the Celestial Craft Square, incredibly rare treasures indeed.

The last time Ji Yuan had learned of them was when Li Changhe recounted how they aided Hunting Owl Zhenren in finding a Purple Sky Stone to forge his Lifebound Magical Treasure, the formidable Thunder Seal.

And now, he had chanced upon two of them simultaneously.

This acquisition resolved a minor concern that had been weighing on Ji Yuan's mind.

Splendid, truly splendid.

Following this, he meticulously inspected his Lifebound Magical Treasure, not hesitating to apply a piece of Runyu Resin to the areas slightly damaged by the lightning strikes.

After all, it was his Lifebound Magical Treasure and demanded careful preservation; he wouldn't even hesitate to gift this Runyu Resin to others, let alone use it himself.

With Ji Yuan having "treated" his Lifebound Magical Treasure, his injuries were largely mended.

Given this, it was time to venture out and observe the transformations the world had undergone.

He contemplated briefly before donning the attire he had previously obtained from the Demon Cave.