The werewolf who had just drunk the potion hesitated.

The other werewolf stood up, took the money from Harry with one hand, his eyes firm, and took the bottle of potion with the other hand.

He took a deep breath and swallowed the potion.

"Should add some potatoes..." He spoke subconsciously, smacking his lips and making his own comments.

Potato?

Snape's eyelids jumped at the word, and he waved his wand, locking his tongue and throat as well.

What a shame, they took a bottle of magic potion but made it taste like soup to them.

"Potter, start." Snape gave the order with a chill in his voice.

Harry waved his wand and locked the first werewolf up alone.

Then give it a gentle shake.

The wall dividing the room collapsed and turned back into a chair, and the moon phases on the wall emitted strange fluctuations.

The werewolf who took the potion suddenly widened his eyes, fell stiffly to the ground, stared straight at the wall.

The deformation speed changes again.

Extremely fast, faster than normal deformation.

Almost in the blink of an eye, wolf hair emerged, wolf muzzle lengthened, ears became pointed, fangs became sharp, and a brutal and ferocious aura gushed out of his body.

Ouch——

With a long wolf howl, the werewolf quickly jumped up from the ground, shook its head, and pounced towards Snape - in its perception, the younger man was more threatening, so it decided to get rid of the non-threatening guy first.

Attacking the weak is the instinct of wild animals.

There are so many obstacles!

Snape waved his wand.

The werewolf slammed into the invisible barrier fiercely. With a snap, his nose was broken and the invisible barrier also made a crisp snapping sound.

He raised his wand and cast a Transfiguration spell to create several chains, which he used to tie up the werewolf. "This reaction is very wrong. The transformation process should be more painful, not like this..."

The words haven’t been finished yet.

With a snap, the werewolf broke free from the chains and shackles and continued to pounce viciously.

Snape looked surprised.

Harry poked his wand and the Transfiguration Charm grabbed its feet. The broken chains on the ground flew up and continued to tie it up. Snape also transformed more shackles to add several layers of insurance.

"Better." Harry raised an eyebrow.

Snape sneered: "I'm not blind."

Harry walked forward and looked at the manic werewolf. "Judging from its aura, it's at least twice as strong. A werewolf of this level is not something Hermione, Neville and the others can handle."

“The recipe hasn’t changed?”

Snape shook his head: "I just replaced the flesh and blood with werewolf flesh and blood."

They both fell silent.

"Maybe." Harry thought of what Dumbledore had said, waved his wand, dispelled the moon phases on the wall, and hesitated to make a guess, "The same meat has different properties. Meat in human form makes werewolves more human, while meat in werewolf form makes werewolves more like werewolves?"

Snape was startled, and looked at the parchment on his desk. He waved his wand and summoned it: "Is that so..."

“It’s not impossible.”

“So it’s not unreasonable that many ancient books describe lycanthropy as a curse.”

"Magical diseases don't have this nature."

Snape looked at the werewolf who was gradually calming down, and thought: "Last time we asked Lupin to eat his own flesh, there was no effect. In fact, it might be because he was asked to eat his flesh in the werewolf state. What will happen if we let him eat his flesh in the human state?"

The influence of the moon phases gradually fades.

Harry waved his wand, eliminating all the effects of the Transfiguration spells, and the manic werewolf fell to the ground.

It gradually regained its human form.

The skin color and complexion become paler, and there are some deformities in the limbs, neck, and head.

"It seems that becoming powerful is also a great burden on his body." Snape glanced at it, walked to the werewolf huddled in the corner, and shouted coldly: "Raise your hands."

The werewolf was stunned and raised his hands.

Snape cut off a piece of flesh with a flick of his wand and continued to brew the potion.

Harry treated the unconscious werewolf.

Greyback regained consciousness once, but before he could even hum a word, Harry cast another Sleeping Spell on him.

Moonlight poured in from the window.

Snape brewed the third batch of potion, threw a gold Galleon into the werewolf's arms, and before he could react, he waved his wand and roughly stuffed the potion into his mouth.

"Potter!" he began.

Harry raised his wand expertly, calling up the phases of the moon.

The werewolf knelt on the ground, supporting himself with his hands, barely preventing himself from falling completely to the ground. The strange breath took effect, changing the werewolf's body, more slowly than the first time. There was no feeling of his body being cut into pieces, but the process of change was clearer. This potion had a similar effect to the wolfsbane potion, allowing him to remain sane while transforming.

The hair is like spring grass, poking out from the pores little by little and growing out little by little.

Ears, wolf kisses, claws, teeth...

The growth rate has slowed down by dozens of times.

He was not in physical pain, but he was struggling and tormented in his heart, and his tears could not help but fall.

"Aha, just as we speculated." Snape nodded and recorded with a quill, "The flesh of the human form has human nature, and the flesh of the wolf form has animal nature."

"It seems that..."

"Wolfsbane Potion is really a failed potion. Most of the magical ingredients in it have no effect or function at all."

Harry frowned. "So, Greyback's flesh and blood didn't have any effect?"

"Just because it's the flesh and blood of a werewolf in human form, it has a delaying effect?"

Snape shook his head: "Not necessarily."

“The deformation effect is different.”

His eyes were deep as he looked at the werewolf that had not yet completely transformed. "The effect of this potion is to slow down the transformation. You can see that it allows him to maintain his humanity and fight against his animal nature. The transformation into a werewolf will be slowed down."

"And Greyback's bottle was broken."

"I don't know what was broken, but you saw the effect. It was very painful. Maybe it was the werewolf's bestiality that was broken."

Snape clapped his hands lightly: "How interesting."

“I kind of fell in love with this topic.”

"Potter, let's..."

Harry interrupted him: "Professor Snape, I have to remind you that it's twelve o'clock."

He raised his arm and pointed his wrist at him. The watch Hermione had given him was shining brightly and was a little blinding.

Snape snorted coldly and waved his hand: "Potter, you don't have to use this method."

"Hmm?" Harry raised his eyebrows. "Professor Snape, I just asked you to check the time, and it hurt you? So you are so fragile?"

Snape flicked his wand and opened the door with a bang: "Potter! Go back and rest!"

"Twenty points from Gryffindor for disrespecting the professor!"