It's been five years, and for the first time, Song Yan used his original power, but the process of turning over two hundred thousand evil spirits into transformed minions wasn't as swift.

Initially, he could digest five to six thousand minions a day, but slowly... the sheer exhaustion slowed down the transformation speed.

But Song Yan was full of patience.

Exploration at such a high realm could hardly be completed in a day or two; months or even years were the norm.

On this journey, his goal had changed to kill "Ancient Tooth" as much as possible, even "Yingti Shangren," and to seize the Evil Treasure, then escape.

However... firstly, he absolutely did not believe that the "Evil Treasure" could be so easily seized; secondly, he hadn't forgotten the inherent dangers of this Transformed Minion Soul Threshold.

If he lacked patience, he would have died in the Secret Realm long before reaching Ancient Tooth and the others.

The immediate task was to find a temporarily safe place to face the imminent crisis.

After spending a whole three months, Song Yan finally gradually transformed the Myriad Souls Banner into the Myriad Souls Ghost Banner.

At this moment, all the evil spirits in the banner were ready to attack wherever pointed.

During this time, the floodwaters gradually rose, having long submerged the rooftops.

But Song Yan, watching the gradually rising water, never used the Paper House.

Throughout the three months, the water level rose without receding. If he used the Paper House to sink underwater, what if the water never receded? Wouldn't he be trapped here forever?

If the external environment suddenly changed during this period, and the power of the water increased, could the Paper House still withstand it?

"The first time it wasn't damaged, it can create a long-lasting safe environment" doesn't mean "If the external environment changes, this Paper House doesn't need to be tested again to determine if it can remain undamaged the first time in the new environment."

...

At this moment, the Flying Sword unfolded a band of misty light in mid-air.

Song Yan and Pei Xuehan sat on that misty light.

Song Yan focused on refinement, while Pei Xuehan continued to perform Sword Floating in the Air.

Sword Floating in the Air was a physically demanding task, fortunately, Profound Qi was abundant here, and Pei Xuehan herself had brought quite a few Profound Crystals, which was enough.

As the last evil spirit was successfully transformed, Song Yan abruptly stowed the banner, simultaneously looking at his panel.

[Name: Song Yan]

[Lifespan: 41/8640]

[Magic]

"Giant Soul Swallowing Technique"（Perfection）（Single Mutation）

If the "Soul Burst Technique" was purely about detonating the cause-effect of the Divine Souls he enslaved, thereby producing a terrifying energy explosion, the "Giant Soul Swallowing Technique" was about using evil to drive soul swallowing soul, soul linking soul, forming a temporary giant soul that also exploded, but with an energy explosion power boosted by more than one level.

Song Yan spent as much as 650 years comprehending the former to Perfection, clearly a Magic Technique useful in Xiaocheng, powerful in Great Success, but requiring a lifetime of understanding to achieve Perfection.

He spent 4310 years comprehending the latter.

No wonder.

Because the so-called "giant soul" was entirely a concept in "Evil Artifacts."

Profound Artifact, Profound Treasure, Soul Artifact, Soul Treasure, Evil Artifact... Evil Treasure.

Among them, "Profound Artifact Profound Treasure" and even "Soul Artifact" are still within the "craftable" range.

But starting from Soul Treasure, the difficulty of acquisition increases progressively, as some core items within, without opportunity, are impossible to obtain even in death.

As for Evil Artifacts...

Ancient texts rumored, "Evil Artifacts" were treasures containing infinite evil, as evil has no soul, it can attach to the owner's Divine Soul, thus turning the owner's Divine Soul into a "giant soul."

What use does a giant soul have?

One, the Divine Soul is wrapped with its own cause and effect, and if there are many more causes and effects controlled by oneself attached outside, its strength can directly manifest in the "Three States of the Tumor Realm."

Even standing in a heavy rain, letting the raindrops wash away the cause and effect, it would merely wash away the cause and effect outside the "giant soul" that didn't belong to oneself.

Two, the power produced by the explosion of the giant soul is unimaginable.

One could say, the "Giant Soul Swallowing Technique" allowed Song Yan to forcibly transform a Soul Treasure into a manufacturing machine of numerous "Evil Artifacts," with both offensive and defensive utilities, providing protection, allowing explosion, and because the minions entirely obeyed his command, these explosions were pinpoint overlapping explosions.

Unfortunately, each use of the "Giant Soul Swallowing Technique" for offense and defense inevitably caused the loss of evil spirits within the banner, a category of decreases with each use.

And for the first time, Song Yan experienced the feeling of "lifespan not being enough."

Clearly, completing the secondary perfect mutation of the "Giant Soul Swallowing Technique" required a time calculated in tens of thousands of years, already exceeding the maximum lifespan he had at this point.

Even so, this "Giant Soul Swallowing Technique" had already replaced the initial "Hundred Forms Demon Body" to become the most powerful magic within his "soul-based spell system."

In simpler terms, the "Hundred Forms Demon Body" might carry the beauty of "numerical values," but in the face of "mechanism," it fell short by half a notch.

After completing the "Myriad Souls Banner" and "Giant Soul Swallowing Technique", Song Yan looked to the side at Pei Xuehan, asking: "Can you still hold on?"

Pei Xuehan nodded, but her lovely face turned towards Song Yan, her eyes looked at him gently.

When she noticed Song Yan's gaze also coming her way, she quickly lowered her head.

It seemed as though before she met this man, her former life was all about wandering, and now she finally found a home, as for the matter of being a blood slave, she didn't care at all... She didn't know why she felt this way.

But that's just how it was.

So even as she bowed her head, turned into a blood slave, and stood in the terrifying Soul Threshold, her heart suddenly filled with joy.

"Are we going to the next Secret Realm?"

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