The next day.

Lady Inid returned with the demon hunters from the sea. There weren't many of them, only twelve, and they all looked quite young, suggesting they were trained as demon hunters later on.

Although demon hunters have relatively long lifespans, they are not completely immune to aging.

Generally, their aging ceases around middle age, approximately at the age of 40. Their faces may appear a bit older, but their physical functions remain in the prime of adulthood until their lifespan ends, at which point they rapidly age until death.

However, historically, very few demon hunters die of old age; most are killed in battle.

These young demon hunters were temporarily handed over to Melissa for placement, and they brought back the demon hunter potion formulas, which were already given to Lady Elena.

Su Ziyu was also in Lady Elena's laboratory at the time.

The place seemed like a mad scientist's domain, filled with numerous glass bottles containing all sorts of strange and peculiar materials, such as monster organs, special minerals, and some unidentifiable flesh and blood tissues.

The laboratory was packed, and Lady Elena, wearing a monocle, was carefully concocting a potion.

"Lord Su? Are you sure this will work?" Lady Elena cautiously placed some blood and flesh tissues from a vampire into a flask and softly asked, "I've never seen such a formula. Does it really work?"

"Yes." Su Ziyu nodded confidently, saying no more, as he had great confidence in the data provided by the system.

The vampire mutation potion wasn't difficult to concoct, with the core ingredients coming from the vampire.

Su Ziyu needed to enhance the strength of the other demon hunters a bit.

About half an hour later.

Lady Elena cautiously poured some thick, dark red liquid, resembling blood, from a crucible, stored it in a glass bottle, and handed it to Su Ziyu, saying: "It's done. But I don't know the effects."

"It should be fine." Su Ziyu said confidently.

The reason was simple.

When Su Ziyu took the potion, a data stream provided a certain prompt.

"Mysterious Object: Vampire Mutation Potion."

"Effect: A potion that can only be consumed by demon hunters, capable of activating the enhanced abilities of the vampire mutation sequence. Consuming it by anyone other than a demon hunter may lead to death or unknown flesh mutation."

Many alchemy potions can only be consumed by demon hunters, and even female warlocks may be poisoned to death if they drink them.

Even among demon hunters, some potions cannot be drunk by ordinary demon hunters; only those from the Viper School have that high toxin resistance.

"You continue to concoct the second and third potions." Su Ziyu took the bottle and walked out.

Soon.

He arrived in Van Helsing's room. The old demon hunter was sketching something with a pen, and upon seeing him, he waved and said: "Look! This is the transformed form of a high-tier vampire! I can't be sure if it's accurate, but it's roughly what it looks like!"

On a piece of white paper, there was a drawing of a hideous monster.

It had a pair of tattered, bat-like, giant wings, dark blue skin beneath which was terrifying muscle, huge claws with sharp nails, and flesh-like barbed extensions coming from its back.

At a glance.

It sent a shiver down one's spine.

It is said that a demon hunter once forced a high-tier vampire into this form, and under this form, the vampire could fly, with both its strength and speed significantly enhanced.

"Seems difficult to deal with." Su Ziyu said, expression heavy.

After saying that, he tossed the dark red potion in his hand to Van Helsing in front of him.

"What is this?" Van Helsing curiously examined the bottle of blood-like potion.

"A mutation potion." Su Ziyu, holding the piece of paper and looking at the monster image, slowly said: "It can activate the vampire mutation ability in you, gaining some of the vampire's attributes."

"A special potion from your school?" Van Helsing heard and cautiously held the bottle.

Each demon hunter school has some unique potions. Just like the Viper School's earlier used potion that could freeze people into ice sculptures, the Raven School also has similar special potions.

"Yes." Su Ziyu nodded.

After listening, Van Helsing directly twisted open the bottle and drank it all in one go.

The next second.

His body began to tremble violently, with his muscles seeming to squirm and undergo some unknown changes. Then a trickle of blood came from his nose, and when he opened his eyes again, his pupils had turned blood red.

Heavy breathing and growling were heard.

Crack.

Van Helsing directly crushed the edge of the bed board, his whole body convulsing uncontrollably, seemingly becoming more and more painful, but the willpower of this old demon hunter was remarkably strong, actually managing to endure it.

The unknown mutation continued.

Van Helsing's blood-red pupils gradually changed, with the eye whites increasing, and the central pupils shrinking to a small point and deepening in color, finally turning into a dark red.

"How marvelous!"

"It seems my injuries have healed!"

When the entire mutation gradually completed, Van Helsing stood up with an incredulous face and said: "What a powerful potion! It's much easier to endure than the Trial Potion!"

The physical changes gradually stabilized.

Van Helsing stood up spiritedly, then frowned while looking at his sharp fingernails, and chuckled: "Like this, it's not suitable for holding a sword!"

"You can just cut them off." Su Ziyu said to him: "Come out and see what changes have happened."

Undoubtedly.

The Vampire Mutation Potion unlocked by the Space-Time Monitor System was more stable and effective than the potions of this world. At that time, Melissa's Trial Potion took two or three days to merge, whereas the current Van Helsing succeeded in less than half an hour. Su Ziyu judged that there might be demon hunters in other worlds as well, and the corresponding potion enhancement system developed might be more advanced than in this world.

Van Helsing's test opponent was Su Ziyu.

The two merely sparred for less than ten minutes, yet the conclusion was rather astonishing!

Van Helsing's strength, agility, endurance, and recovery abilities were all enhanced, with the greatest improvement in agility and endurance, followed by self-healing.

The strength improvement was minimal.

This is likely related to the Raven School itself, which focuses on enhancing strength, and this enhancement has an upper limit that supposedly cannot surpass the power level inherently possessed by vampires.

"Unbelievable!"

"I've never felt this good before!" Van Helsing was very excited, muttering: "My current state might only be comparable to when I took that potion you gave before."

He was referring to Czech-03.

But Czech-03 had too many side effects and couldn't be used unless absolutely necessary.

After witnessing Van Helsing's transformation, Su Ziyu became more interested in the enhanced demon hunter data unlocked after completing the mission.

Because those data might surpass this era!

.........

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