Naruto Bond

After leaving the saved village, Lu Fei and Naruto continued to explore the mysterious world. They walked along an ancient mountain road, with lush trees on the roadside, and the sunlight shone through the gaps in the leaves, forming patches of light.

"Naruto, we have closed the summoning circle this time, but I don't know if there are other similar dangers." Lu Fei said as he walked, holding the Thunder Flame Sword tightly in his hand.

Naruto nodded, the golden Nine-Tails' chakra surging slightly around his body. "Yes, we can't let our guard down. This world is full of unknowns, and we must always be prepared."

As they were talking, they suddenly felt a strong energy wave coming from a distance. This wave made them feel nervous and they stopped immediately.

"This energy is very unusual." Lu Fei frowned, his eyes full of vigilance.

Naruto also felt the power of this energy, "Let's go and take a look. Maybe there will be some new challenges waiting for us."

They followed the direction of the energy fluctuations and soon came to a huge valley. The valley was filled with thick fog, making it difficult to see what was going on inside.

"Be careful, there may be danger in here." Lu Fei warned.

Naruto nodded, and they walked carefully into the valley. As they went deeper, the mist gradually dissipated, and a huge palace appeared in front of them.

The palace was magnificent and exuded a mysterious atmosphere. The palace gate was closed, but the powerful energy fluctuations came from inside.

"What is this palace?" Naruto asked curiously.

Lu Fei thought for a moment and said, "I don't know, but this energy fluctuation is very strong. We must be careful."

They tried to open the palace door, but no matter how hard they tried, the door did not move. Just when they were confused, suddenly, a ray of light shot out from the palace and shone on them.

A mysterious voice appeared in the light: "Brave warriors, I admire your courage and strength. But to enter the palace, you must pass three tests."

Lu Fei and Naruto looked at each other, then said firmly: "We accept the test."

The first test was a test of strength. They needed to push a huge stone. Lu Fei and Naruto exerted all their strength, and after some effort, they finally succeeded in pushing the stone.

The second test was a test of wisdom. They needed to solve a complex puzzle. With their intelligence, they successfully solved the puzzle.

The third test is a test of courage. They need to face their inner fears. Lu Fei and Naruto bravely face their fears and eventually overcome them.

When they passed the three tests, the palace gate slowly opened. They walked into the palace, which was magnificent and filled with various precious treasures and mysterious books.

"What are these?" Naruto looked at everything around him curiously.

Lu Fei carefully observed these treasures and books, "These may be very precious wealth and knowledge. We must make good use of them to improve our strength."

They explored the palace for a while, learned some new magic and skills, and in the process, they also felt that there were deeper secrets hidden in the palace.

"There must be more secrets in this palace waiting for us to discover." Lu Fei said.

Naruto nodded, "Let's continue exploring then."

They continued to explore deeper into the palace and encountered various mechanisms and traps, but they overcame these difficulties one by one with their own strength and wisdom.

In the deepest part of the palace, they found a mysterious room. In the room was a huge crystal ball, which emitted powerful energy fluctuations.

"What is this crystal ball?" Naruto asked.

Lu Fei observed the crystal ball carefully, "This crystal ball may be the core of the palace. It contains powerful power, but it may also hide great danger."

They approached the crystal ball cautiously, trying to understand its secrets. The moment they touched the crystal ball, a powerful force enveloped them.

They were brought into a mysterious space, which was filled with all kinds of strange scenes and powerful energy.

"Where is this?" Naruto looked at everything around him in surprise.

Lu Fei was also very shocked, "I don't know, but we have to be careful. This place may be full of dangers."

They explored this mysterious space and encountered various challenges and tests, but they never gave up, and gradually adapted to the environment of this space with their courage and strength.

In the process, they gradually learned the secret of the crystal ball. It turned out that the crystal ball was a channel connecting different worlds, and it contained huge energy that could help them better protect this world.

"We must make good use of the power of this crystal ball." Lu Fei said.

Naruto nodded, "Yes, we can learn more about the world through it and find more power to protect our world."

With their new understanding of the crystal ball, they left the mysterious space. After returning to the palace, they decided to keep the secret of the crystal ball and use its power only when necessary.