Yun Lan gently patted Luo Feng's shoulder and motioned for him to move on.

The two walked forward again, guided by the echoing voice, past an ancient, old door.

They entered a much wider area, surrounded by a layer of powerful energy.

Luo Feng felt as if he was in a huge resonance, and as long as he got close to the sound, he could feel a shocking power.

"That voice is getting clearer."

Luo Feng said excitedly.

Yun Lan nodded in agreement.

"We should be getting closer and closer to the sonic crystal nucleus."

The two followed the sound as they walked through the inside of the Resonance Altar.

The walls were filled with ancient and mysterious runes, flickering with a faint electric light.

Luo Feng raised his hand and tried to touch the runes, but was blocked by a resistance.

"These runes are beautiful and mysterious at the same time."

Luo Feng muttered to himself.

Yun Lan walked over and stretched out her hand to lightly touch the rune on Luo Feng's hand.

Suddenly, a soft, bright light bloomed from the tips of her fingers, exuding warmth and serenity.

"This is the power of my heavenly thunder."

Yun Lan explained.

"It can trigger the energy contained in these runes."

Luo Feng was amazed and looked at Yun Lan in admiration.

She is not only a beautiful and gentle disciple, but also has a powerful power of heavenly thunder.

As the two of them got closer to the source of the sound, they suddenly realized a massive stone wall in front of them.

The stone walls were carved with strange textures and symbols, and Luo Feng felt a rushing and fierce aura.

"The sonic nucleus is right behind the stone wall."

Yun Lan said with a firm gaze.

Luo Feng nodded, and the two of them used the power of heavenly thunder to bombard the stone wall together.

The deafening sound echoed throughout the temple, and Luo Feng felt as if he was in a battlefield of fierce fighting.

Finally, with a huge roar, the stone wall was smashed through by Luo Feng and Yun Lan.

A vast and deep space appeared in front of him, filled with boundless energy.

It was a huge, splendid room that seemed to enclose the entire Altar of Resonance.

There was a faint electric current in the air, which made Luo Feng feel an endless force.

At this time, Luo Feng looked at the sonic crystal nucleus in front of him, and his heart was full of excitement and expectation.

This mysterious and powerful energy source will have a huge impact on their combat effectiveness.

Carefully stretching out his fingers, Luo Feng gently touched the sonic crystal nucleus.

He immediately felt a strong surge of energy rushing into his body, as if there was an endless amount of power boiling in his body.

"It's the power of sound."

Yun Lan stared at Luo Feng.

"The Sonic Nucleus allows you to harness the power of sound and use it for attack and defense."

Luo Feng looked at Yun Lan in shock, she was separated from her like the end of the world, but she had already shown such great strength.

He realized that with her help, he could also master this incomparably magical and powerful power.

"Tell me how to use my voice to attack and defend!"

Luo Feng asked expectantly.

Yun Lan smiled and nodded.

"First of all, you need to attack by adjusting and emitting sound waves of a specific frequency. Different frequencies produce different effects. You can try making low-frequency sounds and see how it affects your surroundings. ”

Luo Feng's eyes widened, and he gathered his spiritual power and let out a low low-frequency sound.

The entire resonance altar seemed to vibrate, emitting an incomparably crisp and pleasant resonance sound.

Yun Lan nodded in satisfaction.

"Excellent! This is your initial grasp of the power of sonic waves. Next, try high-frequency sound waves, which can be used to scare enemies and untrap them. ”

Luo Feng nervously adjusted his thoughts and emitted a high-frequency sound wave.

Immediately, the air around him became heavy, as if the enemy had been strongly suppressed.

"Well, it's pretty good to have two different frequencies of sound waves."

Yun Lan said approvingly.

"But to further improve your combat effectiveness, you also need to learn to adjust the volume and rhythm of the sound waves."

Luo Feng followed Yun Lan's guidance and began to try to adjust the volume and rhythm.

As he became immersed in the sound waves, the room was filled with sound waves of varying frequencies, volumes, and rhythms.

"You're doing a great job!"

Yun Lan smiled and encouraged.

"Now, you've mastered the basics of the power of sonic waves."

At this moment, a void rift appeared in front of them.

Luo Feng stared at the void crack, a look of determination on his face, his eyes flashing with determination and longing.

Zhao Yunfei stood beside Luo Feng and took a deep breath, feeling the unknown challenge he was about to face.

He was ready to take on these challenges and showed his courage and bravery as the head of the Divine Thunder Villa.

Bai Xue clenched the weapon in her hand, she had never seen such a strange void crack.

However, she had no intention of backing down.

She showed perseverance and determination.

And Yun Lan stood quietly beside Luo Feng and Zhao Yunfei.

She trusts them and supports them.

She believes that each and every one of them is ready to take on this challenge.

The Void Rift emitted strange energy fluctuations, full of unknowns and dangers.

ps：

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