The Immortal Physician's Transmigration: Miraculous Rejuvenation

Ye Yuanchen and the others raced against time to study the murals and runes within the ruins, hoping to find a way to prevent the evil forces from breaking the seal. Mu Wanyue, Lu Zixuan, and Bai Youruo also used their respective skills, keeping an eye on the condition of the crystal ball's seal while assisting Ye Yuanchen in searching for clues.

The content of the murals was blurred and difficult to discern due to the erosion of time, but under Ye Yuanchen's spiritual perception and careful observation, some key patterns gradually became clear. One of the murals depicted an ancient battle, in which many warriors dressed in strange costumes surrounded an object resembling a crystal ball. They held magical artifacts that emitted different lights in their hands, seemingly casting some kind of powerful spell to seal the power within the crystal ball.

"Look, do you see some kind of pattern in the magical weapons these warriors use and their positions?" Ye Yuanchen said, pointing to the mural, a glimmer of hope in his eyes.

Lu Zixuan leaned closer to the mural, examined it carefully, and replied, "Indeed, it looks like an ancient formation. If we can break this formation, we might be able to strengthen the seal."

Mu Wanyue and Bai Youruo also joined in, and the four of them began to try to reconstruct the ancient formation based on the clues on the mural. Mu Wanyue used her Spirit Whip to trace the warriors' positions on the ground, while Lu Zixuan, relying on his memory of rune knowledge, placed spiritual energy runes in the corresponding positions to simulate the energy fluctuations of the magical artifact. Bai Youruo played her Spirit Flute, using the frequency of the flute's sound to adjust the energy coordination between the runes and the positions, while Ye Yuanchen used his immortal healing techniques to sense the flow of spiritual energy throughout the formation, ensuring that it resonated with the sealing power.

After numerous attempts and adjustments, a rudimentary array, emitting a faint glow, gradually took shape beneath their feet. However, just as the array was about to be completed, the seal on the crystal ball suddenly emitted a loud bang, and a powerful black energy erupted from the crack, impacting the array they had just set up.

"Oh no, the seal can't hold!" Mu Wanyue exclaimed, wielding her Spirit Whip in an attempt to withstand the onslaught of black energy.

Ye Yuanchen's eyes narrowed, and without hesitation, he poured all his spiritual power into the formation, shouting, "Everyone, hold on! Don't give up! This formation is our only hope right now."

Lu Zixuan and Bai Youruo gritted their teeth, continuously channeling their power into the formation. With the combined efforts of the four, the formation finally stabilized and began absorbing the surrounding spiritual energy, gradually strengthening its defensive capabilities. The black energy collided with the formation's light, emitting dazzling sparks, and the entire ruins trembled violently, as if they might collapse at any moment.

Just as the seal was about to be completely broken, the formation finally came into play. It successfully absorbed and transformed a portion of the black energy, channeling it underground and relieving the pressure on the seal. The evil power within the crystal ball also seemed to be intimidated by the formation's power, temporarily halting its assault on the seal.

"We're safe for now, but we must find a complete solution as soon as possible." Ye Yuanchen breathed a sigh of relief, but his expression remained grave.

They continued searching for other clues within the ruins. On a wall, Ye Yuanchen discovered an ancient inscription. The inscription was written in a long-lost language, but thanks to his profound knowledge of ancient culture, Ye Yuanchen managed to decipher a portion of its contents.

"This text mentions a mysterious place, which seems to be related to the sealing of this evil power. There is a divine artifact hidden there, which has the power to purify evil, but the specific location is not clearly stated," Ye Yuanchen said, frowning.

“Perhaps other murals and runes will provide more clues about this mysterious place,” Mu Wanyue suggested.

They split up again, carefully searching every corner of the ruins. While playing her spirit flute, Bai Youruo noticed a peculiar resonance in the sound in a certain direction. Following this direction, she found an inconspicuous stone slab in a hidden corner.

The stone slab was covered with intricate runes and patterns, which seemed to be connected to the clues discovered earlier. Lu Zixuan rushed over immediately and began to decipher the information on the stone slab, using his expertise in formations and runes.

“This stone tablet has coordinates recorded on it, which I think might be the location of that mysterious place. But the place that these coordinates point to seems to be in an extremely dangerous area of ​​the spirit world, protected by powerful restrictions. Getting there will not be easy,” Lu Zixuan said.

"No matter what, we have to try. This may be the only chance to save the Spirit Realm and the Three Realms," Ye Yuanchen said firmly.

After making thorough preparations, they left the ruins with the stone tablet and headed in the direction indicated by the coordinates. Along the way, they encountered various dangers. First, they traversed a valley filled with a violent spiritual storm, the storm interspersed with sharp wind blades and violent lightning capable of easily tearing space apart. Ye Yuanchen used the "Spirit Realm Chaos Suppressing God Technique," using the Spirit Void Holy Sword to carve a path forward, while Mu Wanyue, Lu Zixuan, and Bai Youruo closely cooperated from behind, using their respective powers to resist the attacks of wind blades and lightning.

Next, they entered a misty forest. The mist in the forest had a bewitching effect, causing various hallucinations. Bai Youruo played the Lingxu Lingyin Flute, and the flute's sound transformed into a clearing power, dispelling the surrounding mist. At the same time, Ye Yuanchen and the others remained vigilant, proceeding cautiously to avoid falling into the trap of illusions.

After overcoming numerous hardships and dangers, they finally arrived at the location indicated by the coordinates. Here stood a towering mountain peak, surrounded by a powerful protective barrier that emitted a dazzling light.

"This is it. We need to find a way to break through this barrier and enter the mountain," Ye Yuanchen said.

They began to study how to break the restriction. Ye Yuanchen used his spiritual power to sense the energy structure of the restriction, Mu Wanyue used the Spirit Whip to probe the weak points of the restriction, Lu Zixuan set up corresponding formations to interfere with the energy fluctuations of the restriction based on its characteristics, and Bai Youruo played the Spirit Flute, using the sound waves of the flute to find the flaws in the restriction.

After a strenuous effort, they finally found a flaw in the barrier. With their combined attack, a gap was opened in the barrier. They quickly passed through the gap and entered the interior of the mountain.

Inside the mountain peak was a vast cavern, filled with a mysterious light. In the center of the cavern stood a stone platform, upon which rested a divine artifact radiating a soft glow. The artifact was sword-shaped, its blade engraved with ancient runes, and its hilt inlaid with a large gemstone, emanating a powerful purifying force.

"Is this the legendary artifact?" Mu Wanyue exclaimed in amazement.

Ye Yuanchen stepped forward and carefully picked up the divine artifact. He could feel the powerful force contained within it, a force that resonated with the spiritual energy within his body, giving him an unprecedented sense of security.

"With this divine artifact, we might be able to completely resolve the crisis in the Spirit Realm," Ye Yuanchen said, his eyes filled with hope.

They swiftly returned to the ruins of the spirit world with the divine artifact, preparing to use its power to purify the evil forces within the crystal ball and save the spirit world and the three realms from the impending catastrophe.