After the Duke realized this, he hurried to the place where the Three-headed Dog had just been.

There were many puddles here, and these puddles were actually the saliva left by the Three-headed Dog.

The Duke had a sudden inspiration: a magical creature of such high life level as the Three-headed Dog must be full of treasures.

For a Wizard, everything on such a life form is of extremely high value.

Even if it's just a pool of saliva.

The Duke came to the side of these water holes and could feel the enormous energy contained in the saliva.

He didn't rush to touch it, for fear of accidentally being killed by the saliva.

The Duke took out some simple test instruments and test papers from the Space Ring, and after testing, found that the Three-headed Dog's saliva was non-toxic and safe for human contact.

At this time, he manipulated the saliva to condense into a mass and then used the only large bucket in the Space Ring to collect the saliva.

The Duke regretted not having a larger container, otherwise he would have wanted to collect all the water from these puddles on the ground.

He didn't dare to put it all directly into the Space Ring because the energy contained in the Three-headed Dog's saliva was too massive.

If he stuffed so much into the Space Ring, the Duke doubted whether this fundamentally demonized item would explode.

At this time, his palm was feeling somewhat hot, and the Duke knew that this was the energy of the plane coordinates running out, and he was about to return to the Wizard Plane.

The surrounding scene quickly twisted and spun, transforming into countless vortices.

When the Duke came to his senses, he was already back in his dormitory, with the orange glow of the setting sun casting in through the window, illuminating half of his body.

The Duke felt the glimmer of the setting sun. It wasn't warm, but it filled his heart with a sense of security.

He took a deep breath, never realizing how wonderful it was here.

After the Duke came back, his nerves, which had been tense all along, finally relaxed a bit.

He went to the door, opened it, and a sea breeze with a salty taste blew in, with the slightly rippling sea in the distance.

Everything was as usual, as if nothing had happened.

If it weren't for the basin of slime in the Space Ring, the Duke might have thought he had just had a dream during meditation.

"I must quickly enhance my Spiritual Power," the Duke thought to himself.

He needed to enhance his Spiritual Power as much as possible before the energy of the plane coordinates was fully charged again.

Otherwise, once the energy of the plane coordinates was full, he would again be unable to control the process.

The Nightmare Plane was far too dangerous for him right now, and even a Level 1 Mage could barely survive there.

The Three-headed Dog and the Raven Butterfly didn't seem like creatures of a Level 1 life form, and who knew what level they had reached.

The Duke then went to rent a laboratory and took out a bit of the Three-headed Dog's saliva for study.

He discovered that this slime was very high in energy, yet that energy was gentle and not volatile, making it very suitable for a weak Wizard Apprentice like him.

The Duke's biggest worry was that the energy in the slime was too violent for him to control.

He then attempted to refine this slime in the manner of Shadow Water, putting his accumulated Magic Potion knowledge to use.

After more than seven hours of research, the Duke found that this slime could perfectly integrate with Shadow Water.

He merely integrated a trace of the slime into the Shadow Water, which greatly enhanced its strength.

Originally, after covering the body surface with Shadow Water, it could provide a defense strength of one to two degrees.

If integrated with Shadow Water during Water Shield use, the defense strength could be close to four degrees.

However, things were different now. After the Duke covered his whole body with Shadow Water with a trace of slime integrated, the normal defense strength reached twelve degrees.

This strength was already higher than that of a Round Table Knight's guarding strength.

The Duke then attempted to condense a Water Shield, integrating it with the current Shadow Water, and the shield's strength soared to sixteen degrees.

This Water Shield could be described as invincible defense among Second-class Wizard Apprentices, with hardly any Second-class Wizard Apprentice capable of dishing out an attack exceeding sixteen degrees.

Unless paired with some particularly powerful demonized items or a few Witchcraft Artifacts.

Although a sixteen-degree strength couldn't compare to the strongest form of the Round Table Knight's thirty-degree guard, the Round Table Knight's guard could only withstand a single thirty-degree attack.

Yet, the Water Shield was just something the Duke casually condensed. For him, it merely cost some magic power to have such a strong means of defense.

As for the Water Arrow Technique, its effect was somewhat inferior.

After Duke fused Shadow Water into the Water Arrow, the attack strength of the Water Arrow increased from just over four points to fourteen points.

This wasn't because the Three-headed Dog's saliva wasn't strong enough, but because Duke still didn't know how to unleash the energy within the slime.

His current abilities couldn't reach that level, and merely managing some simple utilization was already quite challenging.

The energy within the slime was very powerful and stable.

If released, it would surely cause a massive energy impact.

But precisely because it was too stable, Duke currently had no means to unleash this energy.

In fact, even if he could release it, he wouldn't choose to do so.

Because once such overwhelming energy was unleashed, the first casualty would inevitably be himself, standing the closest.

It would be like detonating a large explosive in front of himself.

Duke also tried to integrate more slime into the Shadow Water, but ultimately, he couldn't succeed.

As soon as he integrated a bit more, the original properties of the Shadow Water would be destroyed, completely consumed and covered by the slime's energy.

This made it impossible for the Duke to refine Shadow Water with more Three-headed Dog saliva.

After attempting for a long time without success, Duke temporarily gave up on this plan.

For him, the current strength of the Shadow Water was already high enough.

Even when facing some First-class Wizard Apprentices, Duke felt no fear.

The Duke thought to himself that the plane coordinates were indeed extremely precious.

In the past, many Wizard Plane factions fought fiercely over a single plane coordinate because it contained massive potential resources.

The Nightmare Plane, as a top-tier plane, was also the pinnacle of the Endless Plane, containing resources enough for Duke to explore his entire life.

It was indeed very dangerous there, but it also held enormous potential opportunities.

Just the saliva left by the Three-headed Dog had greatly benefited Duke, and if there were other gains, it would be even more advantageous for him.

But Duke wasn't blinded by these prospects; he was well aware of his capabilities.

The impact the Three-headed Dog left on him was still fresh in his memory, and to venture into the Nightmare Plane, he still needed to quickly enhance his powers.

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