Xiao Yi cautiously opened the long-sealed door like an explorer. It seemed like a gateway to an unknown world. The world behind the door was desolate, with no trace of human presence visible. Silence and coldness permeated the surroundings, like a frozen kingdom slumbering for a thousand years. The metal walls were cold and hard in the dim light, reflecting a chilling light, as if telling stories of the past. Everything was so cold, ruthless, and yet filled with mystery.

Every inch of this seemingly desolate room is imbued with profound meaning. This was once a prosperous world, but now only icy ruins remain. These metal walls, everything made of metal, now gleam in the cold, as if awaiting a moment of resurgence.

Like a painted scroll, a cold frost spread all around, cold and mysterious. There was not a single sign that anyone, Fan Zun or anyone else, had ever lived here. After a thorough search, Xiao Yi circled the house but found nothing. Desperate, he gently closed the door and resumed his search elsewhere. However, luck seemed to be smiling, for he soon detected subtle traces of Fan Zun's mental energy in a corner. This was like a ray of light, illuminating his path and filling him with hope of finding the truth. His heartbeat involuntarily quickened, a surge of anticipation welling up within him. Xiao Yi followed the faint traces, moving steadily forward. He discovered that the mysterious trail led to the training room where their team had previously trained. There, where they had once honed their skills, was now the starting point for unraveling the mystery. The air seemed filled with a tense and anticipatory atmosphere, leaving everyone holding their breath. Amidst a whirlwind of memories, Xiao Yi suddenly realized something. To ensure our training efficiency, every inch of the training room, every brick and stone, had been meticulously reinforced. The thick metal walls not only withstood the onslaught of extreme cold and heat, but also served as an impenetrable barrier, keeping out toxic gases, floods, and other disasters. It wasn't just a training ground; it was a safe haven, protecting every one of us. Looking back now, we were incredibly lucky to have been able to hone ourselves and grow stronger under such protection. Recalling Cheng Mao's unique metal powers, Xiao Yi couldn't help but marvel at their masterful use. That's right! That training room had a stove and a kang (a heated kang), making it the most likely place Fan Zun was hiding. Xiao Yi's mind shifted, and he walked resolutely towards the training room. He knew that Fan Zun was not only gifted in mental power, but also a warrior who mastered the use of his environment. The stove and kang were his most likely refuges. They would not only provide him with warmth but also the heat and energy he needed. Xiao Yi quickened his pace, his heart filled with anticipation and determination. He knew that this foggy training room might hold the key to unlocking all the mysteries. Xiao Yi's heart suddenly tightened, his gaze becoming determined and deep as he looked in that direction. Was Fan Zun the only one left there, or were all the members of the Beidou team holding on? His heart was filled with doubts, but he knew that no matter what the outcome, that was the place he had to face.

He took a deep breath, sensing the uncertainty and tension in the air. Each step became heavier, yet his pace grew more resolute. With unyielding faith and fearless courage, he marched forward into the unknown world.

He knew the road ahead was full of challenges and unknowns, but he did not retreat. His heart was filled with firm belief, and he knew that only by moving forward courageously could he find the truth and the goal he had been pursuing.

That unknown world might be filled with danger and difficulty, but Xiao Yi was prepared. His gaze was resolute, his steps steady, and he forged ahead with unyielding faith and boundless courage. With a surge of emotion, Xiao Yi hurried towards the familiar training room. Before him, the iron door, once seared by flames, was now sealed by a thick layer of ice, a desolate and neglected place. Yet, through the ice, he sensed a vibrant spiritual force, undeniably evidence of life beyond the door. This power held the answer he had long sought. He firmly believed that the person behind the door was the target of his journey. At this moment, Xiao Yi no longer hesitated, determined to break through the ice and uncover this final mystery. Xiao Yi slowly approached the training room door, his eyes gleaming with determination. He wielded his fire power, and the blazing flames instantly melted the solid ice at the crack of the door into a trickle. This seemingly ordinary action embodied Xiao Yi's determination to challenge the unknown and pursue the truth. He knew very well that every drop of melted ice water was a small step towards the truth. At this moment, Xiao Yi's heart was full of expectation and determination. He looked forward to the answer behind the door, and he firmly believed that the truth was right in front of him.

Xiao Yi knocked cautiously on the door, his gentle touch as if afraid to disturb the slumbering being. This specially modified wall and door, like an invisible barrier, separated the inside and the outside into two worlds. In the past, knocking would have drawn countless wary glances, but now, he cleverly avoided the conventional method of knocking, only gently probing the crack in the door, where the sound could clearly be heard in the training room. In this moment, his wisdom and caution were fully displayed, each knock as precise as a musical note, weaving a symphony of searching for the truth.

Secret language between movements

Under the night sky, the ancient training room was silent, with only the sound of Xiao Yi's knocking echoing. Dong! Dongdong! Dongdongdongdong! Dong! This was not just a simple knock, but a rhythmic secret language, a promise between Xiao Yi and Fan Zun. Each "dong" seemed to tell a story, each "dongdong" conveyed an emotion.

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