Rubik’s Cube of Heavens

Due to the smooth surface of the ground, the giant monster's tall and heavy body slid towards where the three of them were standing, causing the ground to emit an ear-piercing sound.

The twins were in a daze from the sudden change in events, but Coven did not intend to stop. He quickly put away his wand and stretched out his hands. Coven grabbed the giant stick floating in front of him with both hands.

It seemed that everything had been calculated…. At this time, the monster was just about to slide to Coven's feet. Seeing this, the muscles of Coven's arms tightened. Then, he swung the giant stick and hit the monster's head with a blank expression.

Bang! Bang!

Some crisp knocking sounds rang out, echoing in the empty room.

At this time, the monster had stopped gliding. It rolled its eyes under Coven's muffled stick, and its mouth was wide open. It obviously fainted before it could even cry out in pain.

Throwing away the giant stick in his hand, Coven waved his hand and summoned the ball of light floating high up in the sky.

Using the light, Coven looked at the big bump on the monster's head, gradually bulging up. He turned to the twins and said, "It's done. Let's continue."

The stunned twins finally returned to their senses, and then they gasped in unison with a hiss.

"Merlin's brain…" George could not help but raise his hand to touch his forehead. "That must be very painful!"

Fred teased, "Coven, you are the monster, aren't you?"

Coven rolled his eyes at Fred, then led the way to the next door. The twins followed behind, laughing and laughing.

Before opening the next door, the three of them raised their guard, this time to avoid any dangerous creatures in the next room.

However, they all guessed wrong. There was only a table in the next room, and there were seven bottles of different sizes on it.

Seeing this, the three of them put away their guard and walked into the room. They went straight to the table.

Just as they were about to carefully observe what the medicine bottle on the table was, suddenly, two walls of fire with different colors rose from the door in front and behind.

The purple flames blocked the wooden door of retreat, while the black flames blocked the forward wooden door.

The sound of flames suddenly broke the silence in the room, startling the three of them. However, after seeing the situation clearly, the three of them were dumbfounded.

Because compared to the previous checkpoint, the checkpoint in front of them seemed to have no way out.

Because of the fire, the originally dark room became bright, so Coven simply stopped ‘Fluorescent Charm'.

After looking at the twins, everyone simultaneously turned their heads at the same time, looking at the table in front of them, intending to find a clue to clear the game.

The clue was very obvious. It was written on a note on the table.

George was about to reach for the note, but Coven quickly reached out to stop him.

"What's wrong?" George was puzzled.

"What if there is a trap?" Coven cautiously reminded, "Or there is poison on the note. It's better to be careful."

"Alright." George listened to Coven's reminder and said, "Is it okay if we get closer and look at it?"

"No, I have a better way."

Coven said as he pointed at the note with his wand. The ‘Text Projection Curse' that he had learned from Snape finally had a use for it.

As he moved, an orange magic radiance suddenly shot out from the note, forming a text in the air.

Fred could not help but read it out.

The meaning of the whole text was to tell the challenger that among the seven bottles of Potion on the table, there were three bottles of poison and two bottles of cold mugs.

Among the remaining two bottles, one could let people pass through the purple flames behind them, and the other could let people pass through the black flames and continue forward.

The text was a guessing game with four hints. For example, the third prompt stated that among the seven bottles of Potion, the biggest and smallest bottles were safe.

Combining all four hints, Coven instantly guessed that the biggest bottle of Potion could allow people to return. The smallest bottle of Potion could allow people to move forward.

With this level of logic problem, even primary school students would not be able to be fooled.

However, Coven quickly came to a realization. Wasn't the Harry Potter trio at the age of primary school students?

At this time, the quick-witted George and Fred quickly guessed the answer based on the prompt.

After explaining the results and comparing them, George said, "There is a problem. Only one small bottle of Potion can make us move forward. I am afraid it is only enough for one person to drink and continue moving forward. The big Potion bottle is enough for the three of us to return. What should we do now?"

"Do you have any ideas?" Coven asked.

After George and Fred looked at each other, they shook their heads to express their helplessness.

Seeing this, Coven said again, "Then let me try."

The twins agreed happily, expecting the great Coven to overcome the problem.

Coven did not touch Potion on the table but went straight to the fire, blocking them from the next level.

After observing the situation and comparing it with the knowledge in his memory, Coven thought to himself, “As expected.”

After seeing the black flame, he initially thought it was a fire. Now, after observing the burning situation, he found that it was indeed not.

After all, this forbidden area was set up to train Harry Potter, and it was impossible to use the dangerous flame that could only be extinguished by burning everything.

If it were a real fire, the flame would have burned the table to ashes and rushed to the three of them.

After confirming the speculation in his heart, Coven squatted down, held his wand upside down, and plunged it into the ground.

At the same time, Coven shouted in a low voice, "All curses will end!"

As Coven cast the spell, lightning magic radiance quickly spread to the flames with the tip of the wand as the center. Soon, the firewall was completely covered.

The next moment, the black-fire wall suddenly became shorter, and the flames seemed to flow backward, quickly drilling back into the ground and disappearing.

"Well done!" George cheered.

"Will all the curses end?" Fred laughed happily, "I learned another useful spell!"

All along, Coven had been generous in helping the twins improve their strength. Unless it was some dangerous spell, Coven would not hide it from the twins.

Therefore, Coven did not care about Fred's behavior. After getting up, he told them to continue forward.

After passing through the wooden door again, they saw another hall.

However, this time, the hall should be the end because there was no second door inside.

What was surprising was that this room was empty, there was nothing inside…

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