Regal bent down again, letting Nanqu climb onto its back, then flapped its wings and soared into the sky, speeding towards the direction from which the roaring sound came. Along the way, they noticed that the magical aura within the castle was becoming increasingly dense and chaotic, and the magical crystals originally embedded in the walls were flashing more and more rapidly, as if foreshadowing an unusual danger to come.

Before long, they arrived at the entrance to a huge underground cave. The rumbling sound was coming from inside the cave, and at the same time, a powerful and terrifying energy fluctuation was constantly surging out from the depths of the cave, giving people a faint sense of immense pressure.

“There must be something important in here, Regal. Let’s go in and take a look, but be careful.” Nan Qu clenched her fists, her eyes filled with determination. She knew that the key to the truth and solving all the problems might lie in this cave. Even if what lay ahead might be a den of dragons and tigers, they had no other choice but to grit their teeth and continue forward.

Finally, they arrived at the deepest part of the cave, where there was a huge circular platform. On the platform floated a crystal ball that emitted a five-colored light. The crystal ball seemed to contain endless mysteries, and wisps of energy emanated from it, resonating with the aura emanating from Regal.

"Master, I feel that the source of my power is in here. As long as I absorb it, I will no longer be repelled by magic absorption!" Regal said excitedly as it slowly landed on the platform and walked towards the crystal ball.

But at that moment, the surrounding space suddenly distorted, and a phantom figure gradually emerged. The figure exuded a powerful and evil aura that sent chills down one's spine.

"Hmph, you think you can take the energy source? Not so easy. This is all a carefully orchestrated scheme. How could I let you destroy it so easily?" The illusory figure let out a sinister laugh that echoed throughout the space.

Nan Qu frowned, looking warily at the suddenly appearing guy, and loudly questioned, "You're the main system? Hiding like this, show your true form if you dare!"

The illusory figure sneered, "Who I am is not important. What is important is that you will all stay here today and become part of my plan!" With that, it launched an attack on Regal and Nanqu, and in an instant, powerful magical energy surged towards them like a raging tide.

Just as Nanqu was about to set up a magical barrier, she discovered that her magic had disappeared.

Meanwhile, Regal, who was standing nearby, said, "Master, the magical power I just absorbed has disappeared, and I can't breathe fire anymore."

No sooner had Regal finished speaking than Nanqu and Regal were struck hard by a blow.

The next second, Nanqu recalled Regal into her spatial dimension. She then used a strange movement technique to evade the array's attacks.

The illusory figure was stunned for a moment: "Impossible, under the formation, you should have no cultivation left, so why can you still move?"

Nan Qu smiled. She was right; the Time-Space Beast's every move was under the monitoring range of the main system. Therefore, since this formation was designed to trap her and Regal, it must control both magic and spells.

However, in her previous life, the space was static, only capable of storing items. Therefore, the main system was unaware of what happened in the previous life. In this era, she had only used ancient martial arts to compete with Foundation Establishment stage cultivators. How could it know that once ancient martial arts reached a certain level, it could be upgraded to martial arts cultivation?

Therefore, it had no idea how powerful ancient martial arts really were.

Everything about it stems from the control of data, but humans have always been beings who transcend data!

Currently, this formation is ineffective against her, and she also cannot find a way to counter it. Moreover, Nanqu was just injured, and if she doesn't find a solution soon, she will definitely be the one to lose.

Nan Qu dared not return to the space. She had a premonition that this thing must have a self-destruct device. If she left, it would definitely self-destruct to prevent Regal from becoming stronger.

In that case, Regal will probably never be able to regain his lost magic. As for why the energy stone wasn't destroyed from the start? Nan Qu glanced at the dazzling, multicolored stone. Even she, who wasn't a magician, could see the flow of magic on it; this thing must be full of energy.

No one who got their hands on it would want to destroy it. As for why it wasn't taken away? It's probably because the person who told Taya that story did something.

While skillfully dodging the continuous attacks from the formation, Nan Qu quickly racked her brains for a solution. She knew that although the formation couldn't affect her ancient martial arts for the time being, passively dodging like this wasn't a long-term solution; she had to find a way to break the deadlock.

Seeing that Nan Qu could dodge the attacks so easily, the illusory figure seemed to be somewhat embarrassed and angry. It waved its hands, and the attacks in the formation became more and more intense. Beams of light shot towards Nan Qu like sharp arrows, with a speed that was astonishing.

Nan Qu's eyes sharpened, her feet never stopping, her figure flashing like a ghost. The attacks grazed past the hem of her clothes, but none of them could truly hit her. While dodging, she observed the changes in the surrounding formation, trying to find a weak point to break through.

Suddenly, Nan Qu noticed that after each attack by the formation, there would be a very brief period of energy fluctuation at a certain point on the top of the cave. A thought struck her, and she secretly guessed that this might be a key node in the formation. If she could manage to attack that spot, she might be able to destroy the entire formation.

However, the location was quite high, and the surrounding attacks were too dense, making it extremely difficult to get close. Nan Qu gritted her teeth and decided to take the risk. She took a deep breath, circulated her spiritual energy to its maximum, and shot towards the top of the cave like an arrow.

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