In addition to explaining the combat skills to Zhang Qiu and Hermione, Zhang Feng also prepared two magic robes for the two of them, which had a certain defensive power, so that the safety of the two of them could be ensured.

It was getting dark, and the vigilance magic that Zhang Feng had set up in the castle was touched, and it seemed that Professor Quirrell had already set off.

Zhang Feng and the others arrived unhurriedly in the Gryffindor common room, where Harry and Ron were anxiously waiting.

Seeing Zhang Feng and them coming in, they immediately stood up.

"Wind, he's gone?"

"Well, let's go!" Although he knew that Harry was not talking about Professor Quirrell, Zhang Feng nodded.

"It's time to go get the Cloak of Invisibility. Ron said. Harry ran upstairs and stormed into their pitch-black quarters to remove the Cloak of Invisibility, just then he stumbled upon the flute that Hagrid had given him for Christmas. He pocketed the flute and prepared to use it against Lu Wei - he didn't feel like he was in the mood to sing to the big dog.

He hurried back to the common room.

"We'd better put on the Cloak of Invisibility here and see if it can cover all of us - if Filch sees a pair of feet walking on the ground on its own—"

"I don't think this cloak can cover five people, even though we're all kids, but with the wind's figure, it's nice to cover one of them," Hermione said.

"I think so, Harry, just take care of the two of you, the three of us are fine. Zhang Qiu also agreed. Benefiting from studying with Zhang Feng, the two of them also learned the Illusion Spell.

Seconds later, they were outside the four-huddled hallway—the door had already cracked. "How. See," Harry whispered, "Snape has passed through Lowe without a hitch. "Seeing that ajar door, they seem more aware of what they are about to face. Harry told them under the Cloak of Invisibility, "I won't blame you if you want to back down now. He said, "You can take the Cloak of Invisibility with you, I don't need it anymore." "Don't say stupid things. Ron said, and pushed the door open.

With the creak of the door opening, a low bark immediately rang in their ears. The big dog couldn't see them, but all three of its noses twitched and sniffed frantically toward them.

"What's that at its feet?" Hermione asked quietly.

"It looks like a harp," Mr. Zhang said.

"Snape must have stayed. Apparently as soon as the music stops, it wakes up immediately. Harry said, "All right, listen!" and he put Hagrid's flute to his mouth and blew it.

He couldn't blow out of tune, but as soon as he blew the first note, the big dog's eyes began to droop. Harry was blowing almost non-stop. Slowly, the dog's barking stopped—it staggered a few times, fell to its knees, and then fell to the floor and fell into a deep sleep.

"Keep blowing, don't stop. Ron reminded Harry as they stripped off their invisibility cloaks and crept towards the trapdoor. As they approached the three huge heads, they could feel the hot, smelly smell of the big dog.

"I think we can pull the trapdoor open. Ron said, looking behind the big dog, gritting his teeth and carefully stepping over the big dog's lap. He bent down and pulled the tab on the trapdoor, and the door opened suddenly.

"There was nothing to see down there—it was pitch black—and there was no ladder to go down, so we had to jump. ”

Harry, still playing the flute, waved his hand at Ron to catch his attention, and then flicked his finger at himself. "You want to be the first to go down, really?" Ron said, "I don't know how deep this hole is!" Zhang Feng and the others lifted their illusion spell and beckoned to Harry, who handed over the flute.

In the few seconds when the music stopped, the big dog roared again and began to writhe, but as soon as Zhang Feng played the flute, it fell into a deep sleep again. Harry crawled over the big dog and looked down through the hole. There's no bottom down there.

He slowly slid down the hole, finally holding on to the edge of the hole with only ten fingers. He looked up at Ron and said, "If something happens to me, don't come down with me." Go straight to the closet where the owl lives and send Hedwig to deliver a letter to Dumbledore, okay?"

"Okay. Ron said.

"I'll see you later, I hope"

Harry let go of his hand, cold, damp air whirring in his ears. He fell down, fell, fell, and then - plopped. With a strange, dull thud, Harry landed on top of something soft. He sat up and groped around. His eyes weren't used to the dim light of the place. He felt as if he was sitting on top of some kind of plant.

"No problem!" He shouted at the hole, which now looked like a speck of light the size of a postage stamp. "It's a soft landing, you can jump!"

Ron jumped off the fence right after. He landed on all fours beside Harry.

Immediately afterwards, Zhang Qiu and Hermione also jumped down.

Zhang Feng was the last one, and he gave the big dog a stun spell before jumping. It should be guaranteed to sleep until tomorrow morning.