Rise of the Otherworld.

Lin Yu stood shakily, his eyes fixed firmly on the monster that was frantically attacking his disciples. He took a deep breath, endured the severe pain in his body, and gripped the sword in his hand again. His eyes burned with an unyielding fire, a determination that would never bow to fate.

"Monster, your doom has come!" Lin Yu shouted and rushed towards the monster again. His figure was like a flash of lightning, passing through the dim castle. His clothes were tattered and fluttering in the wind. The wounds on his body were still bleeding, but his steps were firm and powerful, and every step was filled with the belief that he would kill.

The monster's attacks were now more erratic due to its injuries, but its power remained formidable. Every swing of its sword was accompanied by a whirring sound, as if it could tear the air apart. Lin Yu nimbly dodged the monster's attacks, his body like a leaf in the wind, lightly avoiding each fatal blow. His eyes were always fixed on the monster's movements, looking for the opportunity to deliver a fatal blow.

Seeing Lin Yu's bravery, the disciples also rekindled their fighting spirit. It was as if a fire had been ignited in their hearts, a desire for survival and a pursuit of victory. They all used their last bit of strength to cooperate with Lin Yu to attack the monster.

"Master, we're with you!" Xiaoyaozi shouted, his voice filled with determination. Though the magic in his hand shone faintly, he continued to cast it. Each spell embodied his persistence and determination.

Lin Yu seized an opportunity and leaped onto the monster's back. His movements were agile and decisive, like a nimble eagle. He stabbed its neck with his sword. The monster struggled desperately, trying to throw Lin Yu off. Its body shook violently, trying to escape this deadly threat.

In this fierce battle, Lin Yu's sword suddenly burst out with a strong light. The light was like a scorching sun, instantly penetrating the monster's body. The entire castle was illuminated by this light. For a moment, everyone was blinded by the dazzling light.

The monster let out one last scream, a cry filled with resentment and despair. Then, its body collapsed to the ground, sending up a cloud of dust. Its massive body struck the ground with a dull thud, like the sigh of the ancient castle.

Everyone looked at the fallen monster, and for a moment they collapsed to the ground, gasping for breath. Their bodies had reached their limit, and every breath seemed so difficult.

"We...we won," a disciple said weakly, a smile of having survived a catastrophe on his face. That smile was filled with tears, relief, and a cherishment of life.

Lin Yu also sat on the ground exhausted, his heart filled with relief. He looked at his disciples, his eyes full of pride and emotion.

"Everyone, take a break and recover your strength," Lin Yu said. His voice was hoarse and tired, but still full of concern.

The disciples nodded and began to meditate and regulate their breathing, taking pills to restore their spiritual and physical strength.

After a period of rest, everyone's physical and spiritual strength had recovered. Although their bodies were still sore and their wounds were still painful, their mental state had improved a lot.

"Master, what should we do next? There may be other dangers in this castle," Xiaoyaozi asked. His face was a little worried, but more determined.

Lin Yu pondered for a moment and said, "Continue exploring and find the secret here. We have been through so much and cannot give up halfway. Perhaps there is a key to saving the town hidden here."

Everyone nodded, with determination glittering in their eyes.

They continued walking through the castle. Strange portraits hung on the ancient walls, as if telling stories of the past. The cobblestones under their feet creaked, as if protesting their intrusion.

Suddenly, a cold wind blew, bringing with it a pungent smell.

"Be careful!" Lin Yu said vigilantly.

What will they discover: a deeper danger or the key to solving the mystery?