Me? I was transported into a book? And I became a vicious villain?

The cave was filled with a damp and cold atmosphere, like a secluded path leading to an unknown abyss. Chu Mengmeng held Xiao Yichen's hand tightly and followed him step by step in the faint silver light.

"Watch your step." Xiao Yichen reminded in a low voice, while his other hand was always ready to deal with emergencies.

The deeper they went, the brighter the silver light became, illuminating the road ahead. The cave gradually opened up, and finally, they came to a spacious underground space.

The scene before their eyes was breathtaking.

This seemed to be an ancient laboratory. Various strange instruments were placed around the room, some of which were already broken, while others still emitted a faint light. In the center of the room was a huge stone table, on which were scattered some yellowed parchment scrolls and some unknown metal utensils.

"Where...is this place?" Chu Mengmeng looked around in surprise. Everything here was beyond her understanding.

"Perhaps, the answer we want to know is hidden here." Xiao Yichen's gaze fell on a stone table, on which lay a thick ancient book with a few large characters written in an ancient language on the cover.

He carefully picked up the ancient book and blew away the dust. An ancient and mysterious breath came to his face. He opened the first page and could tell from the faint light that it was a diary written in ancient characters.

"Today, I finally found it. This power will help me change the world..."

"Who left these things here?" Chu Mengmeng's heart was full of confusion and uneasiness.

"Keep reading, maybe you will find the answer." Xiao Yichen's voice was low, his eyes fixed on the ancient book in his hand.

He turned the pages one by one, and the contents of the diary gradually revealed a shocking secret...

The owner of the diary is a wizard named "Isaac", who has been pursuing a powerful dark power all his life, hoping to control the whole world. The parchment records Isaac's research process in detail, from the initial theoretical conception to the dangerous experiments and the ecstasy of finally finding this power, all of which are presented to Chu Mengmeng in detail.

"It turns out that this was once the laboratory of a wizard obsessed with dark power..." Chu Mengmeng muttered to herself, feeling mixed emotions. She couldn't understand why Isaac wanted to pursue such a dangerous power, and she couldn't imagine what the world would become if he really succeeded.

"Did Isaac finally find the power he wanted?" Chu Mengmeng closed the ancient book, looked up at Xiao Yichen, her eyes full of worry.

Xiao Yichen did not answer. His eyes were attracted by something unusual in the corner of the room. It was a stone slab that was out of tune with the surrounding environment, with some strange symbols carved on it. He walked forward and observed these symbols carefully, feeling that this might be the key to unlocking the secret of this room.

"These symbols... seem to have been seen somewhere before..." Xiao Yichen's brain was working rapidly, trying to find relevant clues from the depths of his memory. Suddenly, he had a flash of inspiration and remembered a description he had seen in an ancient book before.

"According to the guidance of the astrological map, embedding the moonstone into the moon rune will open the way to the source of power..." Xiao Yichen repeated the records in the ancient book in a low voice, his eyes fell on a groove in the center of the stone slab, the shape of which was exactly the same as the moonstone found in the secret room before.

He put the moonstone into the groove without hesitation. With a slight vibration, the stone slab slowly sank, revealing a passage leading to a deeper place. The dark passage was like a dormant beast, quietly waiting for its prey to enter its territory.

"It seems that we are getting closer and closer to the truth." Xiao Yichen clenched the dagger in his hand, turned and looked at Chu Mengmeng, "Follow me closely."

They walked cautiously along the passage, taking every step very carefully. There was an eerie silence in the air, with only the breathing and heartbeats of the two people echoing in their ears. After walking for an unknown amount of time, the view suddenly opened up, and a huge underground palace appeared in front of them. In the center of the palace, a huge crystal ball emitted a dazzling light, and powerful energy waves emanated from it, as if it had the power to destroy the world.

"This is..." Before Chu Mengmeng finished speaking, she suddenly felt a strong wave of power coming from behind her... They moved forward cautiously along the passage, with potholes on the stone road under their feet, and a damp and cold atmosphere filled the air. The deeper they went, the more strange runes appeared on the walls on both sides of the passage, emitting a faint green light, as if silently warning the intruders. Chu Mengmeng tightly grasped Xiao Yichen's sleeves, not daring to breathe, for fear of disturbing this ancient space that had been sleeping for thousands of years.

They didn't know how long they had walked before a ray of light suddenly appeared in front of them, and it became brighter and wider. When they finally passed through the long and narrow passage, the scene before them made them gasp.

It was a huge underground palace with a towering dome that was almost invisible to the top. It was inlaid with countless gems that emitted soft light, illuminating the entire palace like daylight. In the center of the palace, a huge crystal ball floated, and black mist flowed inside the ball, emitting powerful energy fluctuations that made people's hearts flutter, as if it had the power to destroy the world.

"Is this... the source of the dark power that Isaac has been searching for his entire life?" Chu Mengmeng murmured to herself, her eyes firmly drawn to the crystal ball. She could clearly feel that a powerful force was pouring out of the ball, impacting her senses and making it almost impossible for her to breathe.

Xiao Yichen's expression also became solemn. He clenched the dagger in his hand and said in a deep voice: "Yes, this is the source of the dark power. If it continues to exist, the world will fall into an abyss of no return." He turned his head and looked at Chu Mengmeng firmly, "Mengmeng, we must seal it as soon as possible!"

Chu Mengmeng also realized the seriousness of the matter. She took a deep breath and nodded solemnly: "Well, let's do it together!"

They approached the crystal ball cautiously, taking every step very carefully, fearing to alarm some terrifying existence. However, when they were less than ten steps away from the crystal ball, a powerful pressure suddenly erupted from the crystal ball, pushing them back violently...

"Who is it? Who dares to disturb my sleep?!" A cold voice echoed in the empty palace, carrying with it endless anger and murderous intent... Chu Mengmeng and Xiao Yichen's ears were buzzing from the sudden sound. They staggered back a few steps before they could barely steady themselves.

The smoke cleared, and an old man in a black robe, with a haggard face and deep eye sockets, slowly emerged from the crystal ball. He held a skull staff inlaid with black gems, and exuded a suffocating dark aura from head to toe.

"Dark Wizard!" Xiao Yichen recognized the person at a glance, clenched the dagger in his hand, and protected Chu Mengmeng behind him.

"Who are you? How dare you trespass into my territory!" The dark wizard's hoarse voice was full of anger and vigilance, and his cold eyes swept back and forth between Chu Mengmeng and Xiao Yichen.

"We are here to stop you!" Chu Mengmeng poked her head out from behind Xiao Yichen. Although she was afraid, her tone was very firm. "You can no longer use this power to harm the world!"

Upon hearing this, the Dark Mage laughed out loud, his laughter full of disdain and ridicule: "Just you two? You two little brats dare to speak so arrogantly!"

"There is no point in talking any more, let's do it!" Xiao Yichen shouted in a low voice, and jumped out like a cheetah, with the dagger in his hand piercing straight into the heart of the dark wizard.

The dark wizard snorted coldly and waved the skeleton staff in his hand. A black light curtain instantly appeared in front of him, blocking Xiao Yichen's attack.

"You don't know what you can do!" A trace of murderous intent flashed in the dark wizard's eyes, and he waved the staff in his hand again. Black lightning gushed out from the top of the staff and attacked Xiao Yichen like a poisonous snake.

Xiao Yichen did not dare to be negligent. He dodged flexibly and kept waving the dagger in his hand to defeat the attacking black lightning one by one.

Seeing this, Chu Mengmeng also joined the battle without hesitation. Although she did not have the high martial arts skills of Xiao Yichen, she had a magical golden finger. She formed seals with her hands and muttered something. Golden light poured out from her body, turning into countless golden blades, flying towards the dark wizard.

The dark wizard was caught off guard by this sudden attack and hurriedly waved his staff to block it. However, the golden blade was like a maggot on the tarsal bone. No matter how he resisted, there were always a few that could break through his defense, leaving scars on his body.

"Damn it!" The dark wizard roared, with a fierce light flashing in his eyes, "You ants, how dare you hurt me!" He suddenly raised the skeleton staff and began to chant obscure spells.

The air around him seemed to solidify, and a heart-pounding energy wave quickly condensed around the dark wizard.