In the twilight, Shadow Peak on the eastern border of the Northern Empire had been engulfed in silence.

The massive walls formed the last line of defense of the empire, while heavily armored Deputy Soldiers stood guard attentively. Advanced technologies, sliding rifles, energy shields, and devastating cannons symbolized the invading force of the Farol Kingdom. The invaders were determined to breach the border with these modern weapons; however, an unexpected force stood against them.

The empire's most elite warriors, the Core Soldiers, had surpassed the physical limits of ordinary humans, using the "core" energy within them to gain extraordinary abilities. These soldiers possessed superior speed, endurance, and destructive power, overwhelming their enemies. Their energies manifested in powerful explosions and sudden moves capable of breaking through defense lines.

At the outset of the battle, the Farol Kingdom soldiers began advancing toward the walls. But one Deputy Soldier took a deep breath and activated the core energy within his body. In an instant, his body was filled with extraordinary power, and explosions and flames erupted around him. The enemy ranks were stunned by this sudden burst of power.

As the sky lit up with the light of the rising flames, the Core Soldiers launched a systematic attack. Each one used their core power to tear through the enemy lines, rendering Farol Kingdom's advanced weapons nearly useless. With each explosion, the enemy soldiers were obliterated, and Farol Kingdom's technological superiority began to slowly crumble. The enemy's sliding rifle fire became futile in the face of the Core Soldiers' unpredictable and sudden moves, and the cold power of modern weapons paled before the hot, destructive bursts of internal core energy.

The battlefield now trembled with the energy of the empire's brave defenders. The enemy lines were in disarray, and as Farol Kingdom's soldiers desperately tried to retreat, they were shaken by the impressive power of the Core Soldiers at every step. Right in front of the walls, the ground had turned red from the scorching effects of fire and energy, and the desperate cries of the enemy soldiers echoed amidst the rubble.

The counterattack led by the Deputy Soldiers, with discipline and resolve, was still underway, but the Core Soldiers emerged as a force that was changing the course of the battle. These soldiers, empowered by the core energy within them, were not only born for defense but also for destruction. By combining their energies, they created explosions that spread across vast areas, advancing deep into the heart of the enemy lines.

Meanwhile, the rain of fiery bullets from the walls continued to test the Farol Kingdom's defense, but a figure was rising from within the empire's forces: the Black Core Commander. The determination emanating from his eyes and the cold smile on his face heralded the power that would change the fate of the war. The Commander, with heavy steps that seemed to defy gravity, advanced through the ranks of the Core Soldiers toward the enemy lines.

With every step of the Commander, vibrations were felt in the air around him, and the energy waves he radiated challenged Farol Kingdom's modern weapon systems. In that moment, the bewilderment on the faces of the enemy commanders proved just how destructive the internal power enabling the empire's defense truly was.

The sky was covered with dark clouds created by the destructive flames and explosions of the enemy, and the battlefield had transformed into a scene of chaos and destruction. However, with every explosion from the Core Soldiers, a new light of hope shone through the chaos, as they continued to fight to protect the empire's existence.

The battle was far from over; this was just the first moments of a clash. Each new explosion, each sudden move, was a part of the fate that would determine the future of the empire. And under the leadership of the Black Core Commander, the Core Soldiers gathered all their strength to face the invading forces of Farol Kingdom, advancing to win this final battle.

The chaos at that moment clarified as Farol Kingdom's technological superiority slowly began to give way to a desperate retreat strategy.

The sky, covered by the flames and smoke clouds from the enemy's destructive explosions, was now dominated by the internal power of the Core Soldiers, wiping away the effects of modern weapons. The commanders of Farol Kingdom, in desperation, gave the order to retreat.

With every explosion in the enemy lines, it had a crushing impact on the discipline and courage of the Farol soldiers. The sliding rifle fire became meaningless in the face of the Core Soldiers' sudden movements, and the cold power of modern technology was now powerless to resist the internal force of the core energy.

The retreat began in small groups; emergency signals from the commanders spread throughout Farol Kingdom's forces. Soldiers, in panic, tried to escape to the mountainous regions, as discipline gave way to chaos and fear. With each step, soldiers realized that modern weapons were no longer sufficient, and the inevitability of retreat was palpable.

Led by the Black Core Commander, the Core Soldiers relentlessly pursued the collapsing lines of Farol Kingdom. This moment, when modern technology could not stand up to the destructive power created by the body cultivation arts, showcased the helplessness of Farol Kingdom before its enemies.

This retreat was not just a strategic move but represented a moment when the Farol Kingdom's confidence in its modern weapons was shattered, and discipline and morale were replaced by despair. The fate of the war was beginning to be rewritten under the superior physical strength of the Black Core Commander and the Core Soldiers. With every explosion, the defenders of the empire grew stronger, while Farol Kingdom was forced to retreat into the cold shadow of destruction.