Upgrading an inscription from a Magic Artifact to a Magical Treasure is no easy feat.

The Inscription of Evil Banishing and the Inscription of Fire Sacrifice are of high enough quality, infinitely close to those of a true Magical Treasure, just short of the last step.

With some time and effort, elevating them to Magical Treasure level won't be a problem.

He spent his time studying the Demon-Sealing Tower Treasure and cultivating.

Jia Ren's main cultivation technique was the Cang Hai Jue, and now with the Xuan Shui Sect's Mysterious Heavenly Water Strategy, he could cultivate up to the Nascent Soul Stage...

Would he need to change his cultivation technique?!

Switching cultivation techniques is too time-consuming; he didn't want to spend ten years on a technique switch.

His Insect External Incarnation took the lead in switching to the Mysterious Heavenly Water Strategy, using the previous method to transition the technique without consuming his own time.

In this way, the speed of cultivation wouldn't be affected.

Jia Ren used his Skill Breaking Points to successfully break through the limitation and cultivated the Golden Core Stage technique Vast Ocean Mysterious Water Art without delaying his own realm advancement.

「Three years passed in a flash.」

Jia Ren made steady progress; his proficiency in refining the Primordial Marrow Spirit Pill reached a Technique-Nearing-Dao Level, and the elixirs he concocted always had at least eighteen Dao Pill Patterns.

The effects of the elixirs far surpassed those of ordinary sect elixirs by a great margin; his daily cultivation speed was astonishingly rapid, allowing him to raise his cultivation level to the Middle Stage of the Golden Core within five years.

Besides that, there were issues with refining materials and inscriptions for magical treasures.

The Inscription of Evil Banishing and the Inscription of Fire Sacrifice both reached Magical Treasure level, and the Phoenix Flame Tail Fish made successive breakthroughs within three years.

Out of twenty-one Phoenix Flame Tail Fish, a total of thirteen advanced to the Third Order. The flames burning on their tails turned dark red, and their banishing evil effects became even more outstanding.

The Fathead Fish Demon also advanced well into the mid-phase of the Third Order.

Regrettably, the growth rate of the Thousand-Year-Old Black Turtle was too slow. Despite an abundant supply of Ancestor Beast Holy Pills, there was still no sign of any breakthrough.

Seven Thunder Rhino Beasts reached the pinnacle of the Second Order, not far from making a breakthrough. Once they reached the Third Order, their Thunder Rhino Horns could be used to forge Evil-Repelling Magical Treasures.

There were also significant improvements in other secret techniques and divine skills.

The Insect External Incarnation progressed faster than its master, having already reached the Middle Stage of the Golden Core.

This was not due to cultivation of spiritual power, but because of the strength gained from the advancement of the Spirit Insects.

Within three years, a hundred Sonic-Thief Mosquito Kings sequentially broke through to the Third Order. There were both successful and failed advancements, which resulted in the loss of one-third of their number.

This was the first time the Sonic-Thief Mosquito King numbers had decreased, not due to falling in battle, but rather because of advancing.

Luckily, Jia Ren had made preparations; within the Insect Breeding Room, Third-Order Sound-Stealing Demon Mosquito Kings replenished the losses.

A hundred Third-Order Sound-Stealing Demon Mosquito Kings assimilated into the Insect External Incarnation, swiftly bringing its strength up to the Middle Stage of the Golden Core.

The Insect External Incarnation came before Jia Ren to report the latest intelligence.

"The news that the True Fire Palace obtained the Profound Realm Key has spread. A Nascent Soul Cultivator has gone missing, eleven Golden Core Cultivators have perished, and the True Fire Palace has closed its gate, no longer venturing out," it reported.

Jia Ren had spread rumors to humiliate the True Fire Palace to prevent them from having the energy to chase after him. He had not expected the impact to be so astonishing.

"Nascent Soul Stage Cultivators from the Eastern Desolation Domain, Northern Desolation Region, and Southern Desolation Domain have each visited the True Fire Palace. I'm unaware of subsequent intelligence."

"To this day, there has been no news regarding the Profound Realm Key…"

The Insect External Incarnation spared no expense in distributing elixirs and deliberately befriended several Golden Core Cultivators from the Great Sects. Strangely though... they either knew nothing about the Profound Realm Key or were deeply reticent about it.

This peculiar situation further proved the extraordinary nature of the Profound Realm Key.

The True Fire Palace had removed the bounty for capturing Jia Ren. However, the Insect External Incarnation made acquaintances with several sects' Golden Core Cultivators and learned that other sects had increased their bounties on him...

Did the True Fire Palace fail to obtain the secret treasure from Zuo Siyan?

Let's refine the Demon-Sealing Tower Treasure first!

He had no stake in these affairs; it was better to develop steadily.

Jia Ren took out a Jade Slip which recorded the refining methods for the improved Demon-Sealing Tower Treasure. He had developed it further than its original base, perfecting it day by day.

He strode into the Refining Workshop and got busy.

White elixir fire danced in his palm, its core colorless—a result of the fire's high condensation. Massive chunks of Profound Underworld Essence Stones slowly melted, purging impurities.

Materials like the Blood-patterned Silver Essence, Third-Order Phoenix Flame Tail, Mysterious Jade Steel and others were consecutively added...

For a year, the fire in the Refining Workshop never ceased, and occasionally, flickers of dark red light would flash.

BOOM!

The tightly shut door of the Refining Workshop opened, and a fatigued but visibly excited Jia Ren walked out.

"I finally succeeded!" he exclaimed.

In Jia Ren's right hand was a three-foot-three-inch high black Treasure Pagoda, consisting of thirty-three levels, each dull without sheen.

The Demon-Sealing Tower Treasure, refined by Jia Ren, had changed significantly from the original version; even if the creator of the original tower were to see it, they would be astounded.

If the abilities of this treasure were revealed, even Divinity Transformation Stage Cultivators would lose face and come to seize it in person.

Though the nature of the Profound Realm Key was unclear, he was certain of one thing.

It wasn't nearly as valuable as his Life-bound Magic Treasure!

The tower, with thirty-three levels, could seal a Bizarre Demon in each. That was the limit of his capabilities.

If it were filled with Bizarre Demons, it would be equivalent to thirty-three demons laboring for him at once, aiding in the cultivation of the Demon-Sealing Tower.

The stronger the captured demons, the better the effect of their offerings.

Once the seals were achieved to his satisfaction, he could cast the treasure into some place to be left undisturbed for millennia where it would self-cultivate and evolve into a legendary Immortal Artifact.

The Demon-Sealing Tower featured five main inscriptions: the Inscription of Demon Sealing, Town Ghoul Inscription, Inscription of Evil Banishing, Inscription of Fire Sacrifice, and Inscription of Flame Transmission.

Each corresponds to sealing, suppression, eternal burning, magical treasure refining, and flame transformation.

Simply self-refining and growing on its own, the Demon-Sealing Tower seemed too monotonous.

The fifth Flame Transmission Inscription was a brand-new magical treasure inscription that Jia Ren obtained by deducing backwards from the Inscription of Fire Sacrifice.

This inscription could transfer the flame transformed by the Demon-Sealing Tower Treasure, and the power obtained from burning bizarre demons could be used not only for the treasure itself but for other purposes as well.

For example, to produce Banishing Evil Talismans by itself...

Convert the flame into Corpse-Ritual Fire to strengthen Corpse Refining.

Jia Ren didn't regard the thirty-three-layer Demon-Sealing Tower as a common treasure. It was more like an eternal source of power.

As long as the tower existed, not only could it strengthen and grow by itself, but it could also help other treasures grow without being limited to itself.

"Finally, it's refined!"

"My painstaking efforts have not been in vain!"

Jia Ren laughed heartily. Having put great effort into refining the Demon-Sealing Tower Treasure, he finally hadn't wasted his hard work.

"In the future, you might grow to have the ability to destroy bizarre demons!"

"Collect!"

Jia Ren bit the tip of his tongue, and blood fused with Essence, Energy, and Spirit dripped into the body of the tower, merging into one, fostering a feeling of blood connection.

This was different from the briefly refined Seven Star Sword Treasure; this treasure felt like an extension of his body.

With the magical treasure newly formed, it still required personal refining to strengthen the connection with the life-bound treasure, enhancing its power.

Spiritual Power was poured into the Demon-Sealing Tower, and with Elixir Fire refining it, the process lasted for a total of seventy-two hours.

"The growth rate is a bit slow."

Jia Ren stopped refining the Demon-Sealing Tower and clearly felt its growth, but the progress was sluggish.

For a magical treasure to grow, the investment of energy and effort is not any less than that of cultivation.

With a thought, the Demon-Sealing Tower Treasure disappeared from sight.

When consciousness sank into the Dantian, he could see the Demon-Sealing Tower sitting above the Golden Core, with streams of Elixir Fire emerging to refine the treasure.

Life-bound treasure refinement was successful, and it could finally be taken into the Dantian, allowing the cultivator to practice and grow it.

"We can officially start now."

Jia Ren left his dwelling and came to the sea bed below, laying down the Forbidden Array of Demon Sealing and several formations to restrict bizarre demons, wearing Evil-Warding Full Body Armor on himself.

Assured everything was in order, he took out two Suppressing Fiend Holy Fire Commands and a black jar, all three used to seal bizarre demons.

The first released was the Misleading Bizarre.

No sooner had the Misleading Bizarre left the Suppressing Fiend Holy Fire Command than it turned into a green-black shadow fleeing at an astonishing speed, uttering cries of joy at having escaped to freedom.

Jia Ren held the Demon-Sealing Tower Treasure in his hand, and an invisible glow spread out, preventing the Misleading Bizarre's strange powers from affecting him.

Ordinary Evil Warding Artifacts could not withstand the power of the Misleading Bizarre, not even the highly prized Suppressing Fiend Holy Fire Command could do that.

The Demon-Sealing Tower, indeed designed for the bizarre demons, was truly extraordinary.

"Go!"

The Demon-Sealing Tower was thrown, flying towards the location of the Misleading Bizarre, rapidly growing in size. In just a short span of time, it had transformed into a towering giant of thirty-three feet.

The tower body radiated a faint halo, causing all evil to retreat.

Wherever it passed, the green shadow formed by the Misleading Bizarre became stiff, and before it could escape, it was fixed in place by a force and flew into the first floor of the Demon-Sealing Tower.

"AH!"

A miserable wail sounded and quickly vanished.

Jia Ren, through the body of the tower, saw the Misleading Bizarre sealed on the first floor, its body aflame with a dark red fire.

Third-Order Phoenix Flame Tail of higher quality, combined with the magical treasure level Inscription of Evil Banishing, made the power of the Wicked Flame far greater than ever before.

The Misleading Bizarre burned, and only about a tenth of the resulting Burning Evil Flame remained; ninety percent of the flames were transformed into Sacrificial Fire, enveloping the Demon-Sealing Tower and refining the treasure.

The efficiency of Sacrificial Fire refining was much greater than that of Elixir Fire, and Jia Ren could clearly feel the growth of the Demon-Sealing Tower.

The power of Sacrificial Fire from the Misleading Bizarre's death was equivalent to a day and night of continuous refining.

Based on the death rate of the Misleading Bizarre, if it died three hundred and sixty-five times a day, wouldn't it equate to a year's worth of magical treasure refining time?

Without expending any effort, one day was better than a year of refining; indeed, not bad.

This was still the mere Misleading Bizarre. Sealing more powerful bizarre demons would only bring even more astonishing growth rates for the Demon-Sealing Tower Treasure.

"It's done!"

The remaining flames from the Demon-Sealing Tower could be used as a kindling for Wicked Flame and could also be retained and transformed into Corpse-Ritual Fire for Corpse Refining.

With his guess confirmed, Jia Ren's face showed delight as he released the Smiling Bizarre contained within the second Suppressing Fiend Holy Fire Command.

The Smiling Bizarre resembled a peeled off human skin smiling face mask, emitting eerie laughter that spread all around.

When you heard the laughter, an uncontrollable smile would appear on your face, which wouldn't stop until the bizarre demon's power was expelled or until death ensued.

This was a sinister type of bizarre demon.

"Suppressed!"

Jia Ren repeated the process and the Smiling Bizarre followed into the Demon-Sealing Tower.

One day is better than two years of refining? The Smiling Bizarre is indeed far superior to the Misleading Bizarre.

Only one last bizarre demon remains.

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