Looking at the blue silver grass that tightly wrapped around his body, Xiao Yan remained calm, and the strange fire in his body surged. He formed seals with his hands, and the gorgeous strange fire gushed out, instantly wrapping the blue silver grass around him.

The flames burned fiercely, and the blue silver grass quickly withered and carbonized under the high temperature. In a moment, it was burned to ashes and turned into ashes that floated in the air.

The next second, his eyes suddenly became stern, and Xiao Yan rushed forward like lightning. Without any hesitation, he gathered tremendous power in his palm, and with a whirring sound, he struck towards Tang Ya's neck at lightning speed.

Although Tang Ya had transformed into an evil soul master, her reaction was unable to keep up with Xiao Yan's extreme speed. With a light "pop" sound, Xiao Yan's palm blade accurately cut her carotid artery. Tang Ya's eyes rolled back, her body fell limply, and she fell into a coma.

"Sister Xiaoya, how could she become like this?" Xiao Yan looked at the fallen Tang Ya, his eyes flashing with complexity, but more of it was determination. He knew that he had to subdue her first before he could deal with subsequent changes.

At this moment, Yao Lao's voice rang out in Xiao Yan's mind, saying, "From the spirit skills Tang Ya displayed, I can see that she seems to have become like this because her martial soul has mutated. Her martial soul now seems to be able to devour the vitality of others."

With a slightly anxious look on his face, Xiao Yan whispered, "Teacher, you are knowledgeable. Now that Tang Ya has become an evil soul master, is there any way to make her return to normal?"

Yao Lao's figure slowly emerged. His face was solemn. He shook his head and sighed, "This situation is extremely difficult. I can't do anything. The power of the evil soul master has eroded her soul. It's not easy to dispel it."

Hearing this, Xiao Yan felt lost and unwilling, and his brows were tightly furrowed.

At this moment, an ethereal and majestic voice suddenly sounded in his heart. It was Alex: "Little guy, don't be discouraged. My necromancy can see into the mysteries of the soul. I have my own way to pull Tang Ya back to the right path from this evil path."

Xiao Yan's originally depressed heart was instantly lit up, and he was surprised and happy. He quickly responded in his mind: "Master Yi, I'll leave it to you then."

After a moment, Alex's soul slowly emerged in the stone chamber. He waved his hands and a gray light of undead magic emerged from his palms like a spirit snake, wrapping around Tang Ya's body. Wherever the light reached, the dark evil aura in Tang Ya's body struggled and twisted desperately as if it had met its nemesis.

"Purify the filth in your soul." Alex growled in a low voice, his eyes determined. He increased his magic output. The light of undead magic became stronger and stronger, constantly impacting and cleansing Tang Ya's soul like a surging tide.

Gradually, Tang Ya's soul became normal under the purification of the undead magic, and her face gradually regained its calm and gentleness. The aura that was originally shrouded in darkness regained its purity and vitality, and was successfully pulled back to the right path.

"Sister Xiaoya probably won't wake up for the time being." Looking at the still unconscious Tang Ya, Xiao Yan's face was slightly solemn. A light flashed in his hand, and a storage soul guide that could store living things appeared in his palm. He said seriously: "In that case, put her in it and take her out. Teacher, Yi Lao, you should go back first."

"Hmm." Upon hearing this, Yao Lao and Yi Lao looked at each other, nodded, and each turned into a white light and returned to the ring and their minds.

He slowly raised his hand, and a gentle force slowly lifted up the unconscious Tang Ya, and carefully put her into the storage soul guide. After confirming that Tang Ya was properly placed, Xiao Yan took a deep breath, and the second soul ring on his body lit up again.

The second soul skill imitation was activated instantly, and a dark aura spread from Xiao Yan's body, quickly enveloping his entire body. His appearance began to change, emitting a gloomy and weird aura. His originally upright figure now looked a little distorted and hideous, and he once again turned into the appearance of an evil soul master.

After leaving the stone chamber, Xiao Yan walked into a dark passage not far away. Through a mental scan, he knew that he could leave the castle from here. However, just as he was secretly glad that he was about to leave the castle, a slight sound of footsteps was heard.

Immediately afterwards, a red figure, exuding a strong evil aura, appeared in front.

The red figure was none other than Ma Xiaotao.

At this moment, Ma Xiaotao had completely fallen into the evil spirit master, and her appearance had changed significantly. Her originally light pink eyes had completely disappeared, replaced by a deep red that seemed to be able to swallow up all light, making people shudder.

Her waist-length red hair was spread out, and a black phoenix mark appeared on her forehead. The hair accessories on her head looked very strange against the background of the dark power. Her face was shrouded in a layer of coldness, and her whole body exuded an evil fire attribute aura.

Looking at Ma Xiaotao, who had completely fallen into evil spirit master but was conscious, Xiao Yan was shocked. He was stunned for a moment, pretending to be calm and continued to move forward, trying to get away with it. After all, if he allowed Alex to cast undead magic to purify the former under such circumstances, it would very likely attract all the evil spirit masters in the castle.

Suddenly, Ma Xiaotao stopped, her nose twitched slightly, a hint of doubt appeared on her face, and then it turned into a ferocious smile: "Hmph, don't think I can't recognize you just because you changed your appearance. I have never smelled your scent here!" After that, Ma Xiaotao's strong dark soul power surged like a surging tide, and then she stomped her feet hard, and the ground cracked instantly. Then, her body was like lightning, and she instantly rushed in front of Xiao Yan, black flames rising from her palms, like two black pythons choosing their prey, with a whistling sound, and slapped the latter viciously.

"Fourth soul skill, Medusa's gaze!"

Seeing that Ma Xiaotao's attacks were becoming more fierce and deadly, Xiao Yan knew that he had to use strong means to deal with it. He took a deep breath, and the fourth black soul ring on his body lit up, and Medusa's Gaze was launched.

This soul skill was obtained when he hunted a 30,000-year-old snake soul beast Medusa in the Sunset Forest. It can not only petrify physical objects, but even energy.

In an instant, Xiao Yan's eyes seemed to turn into the cold eyes of a stone statue, and two cold gray rays of light shot towards Ma Xiaotao like entities.

Wherever the light reached, the space seemed to be frozen, and the air became heavy. Ma Xiaotao was immersed in attacking Xiao Yan, and seemed to be caught off guard. After being enveloped by the gray light, her whole body froze instantly, and her face still had the ferocious expression she had when attacking, but she could no longer move.

Even the python-like black flame in her palm quickly lost its agility under Medusa's gaze, as if it was frozen in time and petrified in an instant. In an instant, she turned into a lifeless black stone statue, standing quietly in the same place.

Looking at Ma Xiaotao who had been completely petrified, Xiao Yan turned around and was about to leave, but at this moment, he suddenly noticed some unusual movement behind him.

In the cold petrified confinement, Ma Xiaotao's consciousness did not sink. At this moment, her strength had reached the Soul Douluo realm. In the depths of her eyes, the evil power surged wildly, like a trapped beast struggling and roaring in despair. Suddenly, her martial soul, the Black Phoenix, seemed to sense the strong will of its master, and suddenly burst out with a brilliant and evil light.

"The seventh soul skill, martial soul true form!"

Ma Xiaotao cried out, and the seventh soul ring on her body lit up. Her martial soul was released instantly, and the blazing black phoenix flames surged out of her body like a volcanic eruption. The flames seemed to have life, licking the petrified shell that wrapped around her body frantically.

At the same time, she unhesitatingly used her eighth soul skill, and a dark and deep light suddenly appeared in the flames, like a dark star falling. As the light and the flames merged, a force that could destroy the world gathered in her body.

"boom!"

There was a loud bang, as if thunder exploded in this silent space, instantly breaking her petrification. The violent explosion caused the surrounding walls to peel off and stones to fly everywhere.

"Something happened to the Fire Phoenix Saint?"

This powerful movement was like a surging wave, quickly spreading in all directions. Feng Ling, deputy leader of the Holy Spirit Cult, was planning something in a secret room not far away. She was also attracted by this abnormal movement. A hint of doubt and vigilance appeared on her originally calm face, and she flashed and flew towards the source of the explosion.

The aftermath of the shocking explosion caused by Ma Xiaotao's escape from petrification has not yet subsided. Bricks and stones are flying in the castle, and smoke and dust are everywhere, making it a chaotic place.

"How did she break through to the Soul Douluo level? Oh no, it seems we can't stay here for long." Seeing this, Xiao Yan was stunned for a moment, then quickly turned around, without hesitation, tapped the ground with his toes, and rushed towards the castle exit like a ghost.

He was moving extremely fast, like a streak of black light shuttling through the ruins.

However, just as he was about to step out of the castle gate, a black shadow suddenly appeared in front of him as if teleporting.

"Now that you're here, why are you in such a hurry to leave?" Feng Ling, deputy leader of the Holy Spirit Cult, had a stern face and sneered. There was a chill in her eyes. She slowly spread her palms forward, and the powerful soul power fluctuations were like a real barrier, blocking Xiao Yan's way.

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  (End of this chapter)