I was reborn as a young master in an invincible family of immortals

That powerful evil spiritual power swept towards us like a surging tide. Wherever it passed, the light of the minerals on the cave wall dimmed, and the air was filled with a suffocating sense of oppression.

Lin Xiao, Su Yao, and I didn't dare to delay, and quickly deployed our strongest defensive measures. I channeled all my spiritual energy, following the defensive techniques recorded in the inherited secret manual, erecting layer after layer of spiritual shields in front of me. The shields shone with golden light, like solid walls, attempting to withstand the onslaught of the enemy.

Lin Xiao held his sword horizontally before him, muttering something to himself. The sword instantly shone brightly, releasing streams of sword energy that intertwined to form a defensive barrier like a sword net. He stared intently at the incoming evil spiritual energy, his eyes filled with determination and resolve, and his grip on the sword tightened.

Su Yao quickly formed hand seals, and a soft glow emanated from her body. This light continued to spread, enveloping the three of us. Enveloped by this light, it seemed as if a secluded space had been formed, capable of buffering the impact of the evil spiritual power. She closed her eyes tightly, concentrating all her energy on maintaining this defensive spell, and beads of sweat gradually seeped out of her forehead.

However, the power of that evil spirit far exceeded our imagination. When it struck our defenses, there was a deafening roar, and the entire cave seemed to tremble violently. I felt a huge force slam into the spiritual shield, and the golden light on the shield flickered, cracks appeared, and it seemed to shatter at any moment.

The sword net defense barrier on Lin Xiao's side was also under tremendous pressure. The sword energy was constantly dispersed by the evil spiritual power and then constantly re-condensed, but the range of the sword net was gradually shrinking and it was about to collapse.

Su Yao's defensive light was also hit hard. The light became weaker and weaker, her face became paler, and her body trembled slightly, but she still gritted her teeth and tried her best to maintain this last line of defense.

"We can't go on like this. We have to take the initiative and break this formation, otherwise our defense will be breached sooner or later!" I shouted loudly, my voice sounding particularly firm amid the noisy roar.

Lin Xiao and Su Yao nodded in agreement after hearing what I said. We knew that if we simply defended ourselves, we would be doomed. Only by burning our boats and proactively breaking the formation activated by the black-robed man, the source of this evil spiritual power, could we have a chance of survival.

So, the three of us exchanged a tacit glance and launched our attack simultaneously. I gathered some of the spiritual energy I'd been using for defense, concentrating it in my palm. It transformed into a blazing spiritual flame, and I lunged towards the center of the formation, where the black-robed man stood. The flame grew stronger as it flew, scorching and distorting the air wherever it passed.

Lin Xiao shouted loudly, and rushed towards the formation like lightning. He brandished his sword, and each swing released an extremely sharp sword energy. These sword energies shot towards the formation like meteors, aiming directly at the key nodes of the formation, attempting to destroy its structure and render it ineffective.

Su Yao wasn't idle either. She took a deep breath and formed seals with her hands again, this time casting a spell to assist in the attack. A silver light flew out from her hand and merged into Lin Xiao's and my attacks, instantly increasing the power of our attacks, making the spiritual flames even hotter and the sword energy even more fierce.

The black-robed man showed a hint of surprise upon seeing this, but quickly regained his sinister sneer. He kept changing hand seals, trying to strengthen the formation's defenses while simultaneously controlling the evil spiritual energy to launch an even more fierce counterattack against us.

For a moment, the cave was ablaze with spiritual energy, and roars and whistles filled the air. Our attacks collided with the black-robed man's defenses and counterattacks, each collision resembling a thunderclap, shaking the entire cave to the point of collapse.

During the fierce battle, I discovered that although the formation was powerful, there seemed to be several nodes with weaker energy fluctuations. My mind moved, and I quickly shouted to Lin Xiao and Su Yao, "Pay attention to those areas with weak energy fluctuations. Concentrate your attacks there, and perhaps we can break the formation!"

Lin Xiao and Su Yao immediately understood what I meant. They adjusted the direction of their attack and concentrated more energy and spiritual power on those weak nodes.

Our attacks intensified, and those weak points gradually began to show signs of loosening under our combined assault. The black-robed man sensed the danger of the formation, his expression darkening as a fierce look flashed in his eyes.

"Do you think you can break my formation so easily? You underestimate me!" The black-robed man roared, then pulled out a black magic weapon from his arms. The magic weapon exuded a strong evil aura and was shaped like a twisted skull, engraved with various strange runes.

He raised the black magic weapon high and chanted an obscure spell. As the spell was chanted, the black magic weapon shone brightly, and an even more powerful evil force surged from it and injected into the formation.

The formation was replenished by this evil force, and the previously loose joints instantly became stable again, and the entire formation's attack and defense capabilities were greatly enhanced. The evil spiritual power once again swept towards us like a storm, this time with even greater power than before.

Our defenses once again faced a formidable test. Our spiritual shields, sword net barriers, and defensive radiances all crumbled under this new wave of attacks. But we refused to give up. We gritted our teeth and persevered, attacking the weak points of the formation, convinced that if we found the opportunity, we would be able to break free from this cage that held us captive.

At this critical moment, I suddenly remembered a book on breaking ancient formations that I had seen while selecting secret manuals in the Immortal Sect's Sutra Library. The book described a special method that might be used to deal with this powerful formation.

I quickly recalled the contents of the book in my mind, and according to the steps described in the book, I began to adjust the way my spiritual power was running, and shouted to Lin Xiao and Su Yao: "Follow my current spiritual power running method, let's try to use this method to break the formation!"

Lin Xiao and Su Yao adjusted their spiritual power according to my instructions without hesitation. The spiritual power of the three of us began to merge together in a completely new way, forming a more powerful force.

We once again focused this fused force on attacking those weak points, and this time the effect was noticeably different. Each attack was like a hammer striking glass, and visible cracks began to appear in the weak points of the formation, and the cracks continued to expand.

Seeing this, the black-robed man finally showed a look of panic on his face. He tried to strengthen the defense of the formation again, but it was too late.

With our final all-out attack, those few weak points finally gave way and shattered completely. The formation instantly lost its balance, and the light flickered a few times before completely extinguishing.

The powerful evil spiritual power also dissipated, and the cave suddenly became quiet, with only the heavy breathing of the three of us remaining.

The black-robed man's face turned pale when he saw the formation was broken. He knew that the situation was hopeless, but there was still a look of unwillingness in his eyes.

"Don't be too proud too soon. Even if you break my formation, you can't escape our ultimate plan!" said the black-robed man viciously.

"You'd better tell me everything. Who are you? What is the ultimate plan behind this?" I walked forward, still holding the secret book of inheritance in my hand, and looked at the man in black robe warily.

The black-robed man sneered and said, "Since you want to know, then I'll tell you. We are from the Shadow Cult, and for years we have been secretly plotting to seize the various precious inheritances of the immortal world, including the one you hold. We once tried to get our hands on the inheritance of the Immortal Sect, but unfortunately failed. This time, when we learned that you had obtained the inheritance in the mysterious ruins, we set up a series of schemes. First, we let those sects and forces snatch it, and then we sent people to infiltrate the Immortal Sect to continue spying. Our goal is to force you into a desperate situation and seize the opportunity to seize the inheritance."

"As for our ultimate plan, it is to use the power of this inheritance to open the door to the ancient evil land and release the evil power within. By then, the entire world of immortal cultivation will be plunged into chaos, and we, the Shadow Cult, will become the masters of the world of immortal cultivation!"

After hearing the black-robed man's words, the three of us couldn't help but gasp. We hadn't expected their conspiracy to be so grand. If they succeeded, the consequences would be unimaginable.

"Your conspiracy will never succeed! We will definitely stop you!" Lin Xiao shouted angrily.

The black-robed man roared with laughter, his voice filled with madness and disdain. "Just you? Do you think you can stop us? Our Shadow Cult's influence spans the entire world of immortal cultivation. Sooner or later, you will be defeated by us!"

"Then let's wait and see!" I said coldly. I had already made up my mind that no matter what the cost, I would stop the Shadow Cult's conspiracy and protect the inheritance and the peace of the entire world of immortal cultivation.

At this moment, deep within this cave, our life-and-death battle with the Shadow Cult has temporarily come to an end, but greater challenges lie ahead. We know we must quickly inform the Immortal Sect's guardians and the entire Immortal Sect of this situation, and work together to devise a countermeasure. Only then can we truly stop the Shadow Cult's mad plan and protect everything we hold dear.