"Whew, I'm afraid Hagrid is coming, and I can't open it." Exhausted, Ron leaned against the door and complained.

Hermione stretched out her wand and tried her most proud lockpicking charm.

"Alaho Cave Open!"

It's a pity that this is also useless work, in the face of Hermione's lock-picking spell, the bronze pattern on the door seems to be alive, flashing dark green light, a soft and tenacious force, pushing her away from the front of the door.

"The Lockpicking Charm is not a panacea," Clark explained as he looked at an angry Hermione, "and it can only be used against unlocks that have not been magically cast and can indeed be opened. ”

"Of course I do." Hermione muttered quietly.

Harry kicked the door hard and pulled at the key wreckage all over the floor, trying to find a piece or two that could be pieced together.

"So what do we do now, Snape has been in for a long time, maybe he has now obtained the Philosopher's Stone and is ready to return."

He looked excited, but Clark just calmly stroked the bronze pattern on the door.

"This is the enchantment of the ancient Runiwen, just now the first level is the big dog raised by Hagrid, Luwe, and the devil's net in the second level should be the level set by Professor Sprout, and now this ......"

"Professor Flitwick is a master of spells, and he must be proficient in the magic solidification technique and the craft of runiwen enchantment, and judging by the light and effect, it may be a hybrid variant of the Iron Armor Charm and the Obstacle Charm - the Iron Wall Charm."

Clark looked around the room and deduced.

"There should be two solutions to this level, and if these keys are still intact, then we can ride a few broomsticks over there."

He pointed to the broomsticks standing in the corner, and continued, "Then fly into the sky, grab the right one from a pile of flying keys, and insert it into the lock, and open the gate." ”

"No kidding," Ron said, looking at the key fragments all over the floor, "these keys have exploded like this, and mixed together, trying to find the key that opened the door, and then restoring it, is harder than looking for a needle in a haystack." ”

There are still hundreds of key fragments all over the ground, not to mention thousands, and it is indeed not easy to find a key fragment from them.

"Of course, if our spell level can surpass that of Professor Flitwick, we can directly unlock the defensive spell solidified on this gate, or destroy the entire gate with brute force, and then we can naturally pass this level."

Clark twirled his wand in his hand, joking.

Harry and Ron were already familiar with his routine, and when they saw him like this, they immediately guessed that he must have a solution to this problem, just like the honey cakes and the glow sticks.

"You're ready for both." Ron stared at him curiously, trying to see what treasure he could pull out of his pocket.

"Of course, I'll show you my little darling."

As he spoke, Clark reached out and pulled out a long piece of iron with a figure-7 hook from his pocket.

Ron looked at him with a puzzled expression, but Harry and Hermione, the two young wizards who had lived in the Muggle world, reacted quickly.

Physical lock picking!

This is a good idea, as wizards in the wizarding world are often accustomed to using magic to solve problems when encountered, and tend to ignore Muggle methods.

"This kind of lock is supposed to be a 'welded fishing lock' invented by the British in the 18th century." Clark felt for the keyhole on the door, letting Hermione cast a spell to illuminate the inside, and he inserted the piece of iron into the keyhole.

"Its simple structure has long since been replaced by a more complex 'bullet lock'. But Hogwarts is an old-fashioned school of witchcraft and wizardry after all, and the public facilities have not been updated for many years, and it is normal that this old-fashioned lock is still used. ”

"Alright!"

With Clark's operation, only a crisp "click" sound was heard, the machine spring bounced up, and with a hard twist, the indestructible magic door was easily cracked.

"Come on, let's see what's next."

The door pushed inward, and the four of them walked into the next room, which was pitch black and nothing could be seen.

But the next moment, the brazier near the wall was suddenly ignited, and the orange light illuminated the shocking scene.

A huge wizard's chess board was placed in the center of the room, eight vertically and horizontally, black and white, occupying the largest area. They were standing on the edge of the chessboard, with two rows of black flags in front of them.

The chess pieces were taller than them, and seemed to be carved out of obsidian or something, knights, queens, soldiers, kings, all of them looked lifelike, like living things.

On the other side of the room, facing them were white chess pieces of the same style, as if carved out of marble.

Harry and Ron were taken aback, "What's going on?" ”

"It's not obvious?" "Looks like we're going to have to win this game to get to the other end of the room." ”

A few people looked behind the white chess piece, and sure enough, there was a door of the same style as the previous one.

"Aha, it looks like it's finally my turn to play." Ron exclaimed excitedly.

Along the way, he and Harry dragged their feet to no avail. Now that he wants to play wizard chess, this can be regarded as his strong point.

"How do I get this thing?" Ron was eager to take the plunge.

"In my opinion, we should be pawns."

Clark walked over to a black knight and reached out to touch the horse's neck.

The stone came to life in an instant, and the horse scraped the ground restlessly with its hooves, and the knight turned his head and looked at him with his helmeted head.

"What a powerful Activation Transfiguration, it seems that this is the work of our dean, Professor McGonagall. Do we have to fight side by side with you to get over? ”

The Black Knight nodded silently, and Clark turned to Ron and said, "You hear me, it's time for you to put on a show, my dear cousin." ”

As soon as it came to the field he was best at, Ron immediately entered the state, and he was not polite, he directly took over the command and began to order.

"We need to replace the four black pieces here and make sure we survive until we win."

He glanced around, "All right, Harry, you'll take the bishop's place; Clark, you are the most dangerous, but also the safest king; Hermione, you're standing next to him, in the place of the queen. ”

"What about you?"

"Me? I'm going to be a knight! Charge," Ron said in a high-spirited manner, his eyes full of confidence.

And the pieces were completely obedient to his orders, and before Ron's arrangement was finished, a knight, a bishop, a king, and a queen all turned around, turned their backs to the white pieces, and automatically walked out of the chessboard, giving up four empty places for Clark and Hermione.

An immersive wizard chess game began.