Rian and Salsa stood frozen, their hearts pounding in sync with the quickening pulse of the green light. The rumbling from the corridor grew louder, shaking the metal structure at the center of the chamber. Shadows danced on the damp stone walls, as if unseen creatures were stirring in the darkness. The green light from Salsa's artifact mingled with the similar glow emanating from the control panel, creating the illusion of a pulsating room. Suddenly, figures clad in black uniforms emerged from the shadows, weapons raised."Don't move!" a woman's cold voice commanded. Dr. Elara stepped forward, her once-kind face twisted in anger. Behind her, VaultaCorp troops stood at the ready, their weapons aimed. The flickering green light reflected off the menacing glint of metal."Elara?" Salsa gasped, disbelief mingling with betrayal in her voice. Tears welled up in her eyes, but she quickly blinked them away, steeling herself."You've meddled in affairs that don't concern you," Elara said sharply. "Hand over the artifact and the alien technology, or you'll die here."Rian stepped forward, shielding Salsa. "We won't surrender anything, Elara. We know what you've done, and we won't let you continue to destroy this world."Elara let out a scornful laugh. "You're naive. VaultaCorp is humanity's only hope. We're the ones keeping Agartha alive. You'll only bring ruin."Before Rian could respond, gunfire shattered the silence. Bullets whizzed past them, leaving scorch marks on the stone walls. The VaultaCorp troops opened fire, forcing Rian and Salsa to take cover behind the metal structure. The air filled with the deafening clangs of bullets ricocheting off the metal. Elara, though leading the charge, remained at a safe distance, shielded by her men.Amidst the chaos, a familiar voice rang out from behind the VaultaCorp forces. "Let them go!"Anya emerged from the shadows, Nikolai's rifle clutched tightly in her hands. Her eyes blazed with fury, and every movement exuded steely resolve. The guilt and doubt that had once plagued her were replaced by a fierce determination to protect her friends."Anya?" Salsa exclaimed in surprise and relief."I won't let you hurt them," Anya declared, leveling her rifle at Elara.Elara took a step back, startled by Anya's sudden appearance. "So, you've chosen to betray us, Anya? After everything we've done for you?"Memories of Nikolai flashed through Anya's mind, the pain of loss mixing with anger towards Elara and VaultaCorp. "You're the ones who betrayed us, Elara," Anya retorted, her voice trembling. "You're the ones who destroyed this world, and you will pay for it. For Nikolai."Battle erupted in the ancient chamber. The sounds of gunfire, energy blasts, and shouts echoed off the stone walls, creating a deafening symphony of chaos. Rian and Salsa, aided by Anya, fought fiercely against the VaultaCorp troops. They were fighting not only for their lives but for the future of humanity.In the midst of the battle, Rian spotted an opportunity to reach the alien control panel. He dashed towards it, dodging bullets and blasts while Salsa and Anya provided cover fire. With urgency, he began trying to activate the panel, the alien symbols flickering before him as if responding to his presence. The rumbling from the corridor grew louder, and the green light in the chamber pulsed faster, creating an increasingly ominous atmosphere.Elara, witnessing Rian's advance, panicked. "Stop him!" she screamed at her troops. "Don't let him reach the panel!"Anya, engaged in combat with the VaultaCorp soldiers, noticed Elara's distress. She knew Elara lacked the combat skills to stop Rian alone. With a swift maneuver, Anya vaulted over several crates and landed near Elara."You won't stop him, Elara," Anya said coldly, her rifle trained on her former mentor.Elara was cornered, her face pale with fear. She retreated a step, desperately seeking an escape, but only the cold stone wall stood behind her."Anya, wait!" Elara pleaded, her voice trembling. "I... I can explain."Anya remained unmoved. "You have three seconds to explain, or I'll shoot."Elara swallowed hard, cold sweat beading on her forehead. "Professor Thorne... he forced me. He threatened to harm my family if I didn't help him."Anya hesitated, a flicker of doubt crossing her eyes. But then she shook her head. "That's no excuse, Elara. You knew what he was doing. You knew he was destroying this world."Before Elara could respond, a thunderous roar erupted from the corridor. The walls shook, and the green light intensified, becoming almost blinding.Rian yelled from the control panel, "Salsa, Anya! Hurry! Something's happening!"Anya glanced at Rian, then back at Elara. She pulled the trigger, but at the last moment, she aimed at the ceiling. A deafening blast echoed through the chamber, diverting the attention of the VaultaCorp troops."Go," Anya said to Elara in a low voice. "But don't ever come back."Elara looked at Anya with a mixture of gratitude and remorse, then ran towards the corridor, disappearing into the darkness.Anya quickly rejoined Rian and Salsa. The three of them stood before the control panel, watching as the green light grew brighter and the rumbling intensified. They knew they had triggered something monumental, something that would change everything.And they were ready to face it, together.