Amid the cheers of the crowd, Kyle dived directly into the lake under the bubble head curse.

Although the Bubble Head Charm allowed him to move freely underwater, it did not provide him with an advantage in speed, so Kyle immediately took out his wand and used Transfiguration to create a pair of flippers for himself.

This way you can swim much faster.

The Black Lake was huge and bottomless. The further Kyle swam downstream, the darker the light became. After using the stands on the water to identify the direction, he swam towards the center of the lake.

Through the bubbles in front of my eyes, the dark and hazy lake water seems to have a strange color.

The little fish swam gently, passing by Kyle like sharp silver arrows.

However, this is not a beautiful picture, because in addition to small fish, there are also many grindylows in the lake.

They hide in the dark places at the bottom of the lake and try to attack every creature that passes by.

Kyle encountered two of them. Fortunately, he discovered them in time and knocked them out with a spell before the Grindylow's claws reached out.

To deal with this kind of dark creature, a simple extraction spell can solve it, which can be said to be very easy... Of course, the premise is that there are only one or two. If there is a group, it will be a little troublesome.

Kyle quickened his pace and continued swimming forward.

With only half an hour left, he had to find the right spot as quickly as possible.

Along the way, Grindylows kept jumping out from the darkness or water plants, causing a lot of trouble for Kyle.

There was another one that tried to catch the bubble on Kyle's head, and it suffered the worst fate. It was knocked out of the water by the repulsive spell and no one knew where it landed.

But just as Kyle was about to knock the Grindylow away, a voice suddenly came from the quiet black lake.

"You seem to be in some trouble..."

Kyle turned his head sharply, only to see a blurry, pearly white figure floating beside him.

"You are...Ms. Grey of Ravenclaw?" Kyle said, his voice sounding a little dull after being cast through the Bubblehead Charm.

He never expected to see a ghost here, and it was a Ravenclaw ghost.

The ghost of Ms. Grey still looked melancholy. She circled around Kyle and then pointed.

"You can go over there."

However, Kyle did not move, but continued to look at her in confusion.

Seriously, if it was another ghost, whether it was the Fat Friar from Hufflepuff, Nearly Headless Nick, or Myrtle or Peeves, Kyle would have swam over there without a second thought.

Since Kyle had dealt with them before and they were familiar with each other, it made sense for those ghosts to come over to help.

But Ms. Grey... Kyle didn't remember any interactions with her, not even a single word.

And even the students of Ravenclaw are like this. She just wanders around the castle aimlessly every day, ignoring everyone.

Kyle really couldn't understand why she suddenly came out to help him... It couldn't be for the honor of Hogwarts. Even Peeves wouldn't believe it if he said that.

"I overheard your conversation the other day... you and an invisible wizard."

As if she had guessed Kyle's doubts, Ms. Grey immediately spoke up: "I also heard you talking about my mother's crown... I wonder if that's true."

"Your mother..."

"Rowena Ravenclaw," said the Grey Lady. "I am her daughter. When I was alive, my name was Helena Ravenclaw."

After hearing what she said, Kyle also remembered that it seemed to be true.

"Ah, yes," he said quickly, "I found Lady Ravenclaw's diadem."

"I'm sorry, this matter cannot be explained in a few words, and..." Kyle pointed in the direction of the water, "I may not have extra time right now."

"Then wait until this competition is over." Helena said, "I'll be waiting for you in the castle."

Kyle nodded, then swam in the direction of her finger.

Because of the delay, Kyle had to speed up again...

After about ten minutes, he heard intermittent shouts and a painful roar.

The lake water in front suddenly became turbid. Passing through a patch of water plants, Kyle saw an open space with about a dozen mermaids. They were holding spears and ropes in their hands and were chasing a strange creature.

Its upper body is that of a horse, and its lower body is more like a fish, and it is covered with broad-leaved cattails that look like a mane.

Kelpie! Is there such a creature in the Black Lake of Hogwarts? Kyle was slightly surprised, but he quickly reacted. After all, no one knew how big the Black Lake was, and where the deepest part was connected to. It was normal for a Kelpie to appear.

The horse-shaped water monster in front of us probably came here accidentally and mistakenly entered the mermaid's territory and is being hunted.

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A single merman might not be a match for a Kelpie, but facing a team of well-equipped and well-trained mermen, it would be difficult for a Kelpie to gain any advantage.

There were several spears stuck in its body, and its front hooves and tail were tied tightly with ropes. Large amounts of blood gushed out of the wounds and floated in the lake.

In addition, there were many motionless mermaids around. Obviously, the mermaids suffered heavy losses in order to catch it.

As Kyle was thinking, the mermaids also discovered him and several spears were instantly aimed at him.

“Who’s there…” A sharp voice came from the leading mermaid’s mouth.

He looked nothing like the mermaid in the portrait in the castle, with yellow eyes, broken teeth, iron-gray skin, tangled hair that looked like a tangled pile of seaweed, and a neck full of pebbles strung together with a thick rope.

"I'm a student at Hogwarts and one of the champions of the Triwizard Tournament." Kyle explained quickly, "I need to do the second task underwater. Professor Dumbledore should have told you about it."

The mermaid leader let down his guard slightly and continued to turn his attention to the kelpie.

"Wizard, this is not the place where they are trapped. You have to keep going forward. Go quickly. It is very dangerous here."

"I think I can help you." Kyle didn't leave, but swam a little further forward.

"The water horse is going crazy. If it continues like this, even if you can kill it, you will lose at least half of your men."

"This is our responsibility, not yours."

"I can help you." Kyle said again: "I have seen how Newt Scamander dealt with the Kelpie. You should know him."

In his experience, mentioning Newt's name in front of intelligent magical creatures generally worked well, especially around Hogwarts.

As expected...

"Scamander?"

Hearing the name, the mermaid leader turned his head again and looked Kyle up and down.

"He helped us find this habitat and is an eternal friend of our tribe... Do you really know him?"

"Of course," Kyle said quickly. "I go to his house every holiday."

He swam forward a little further, and this time, the mermaids finally stopped driving him away.

(End of this chapter)