(amazing transcendental's dream:3.5), War-torn Terra, Roboute Guilliman in ornate, shining armor, stands as a towering figure amidst chaos. His expression is stern, resolute. Surrounding him, battle-worn Space Marines, Sisters of Battle, and Imperial Guard fight fiercely. The sky is dark, filled with smoke and fire, the ruins of the Imperial Palace in the background. Guilliman wields the Emperor's Sword, glowing with power, as he leads the charge against a horde of twisted Chaos forces. The scene is intense, full of desperation and heroic defiance, (maximum ultra high definition image quality and rendering:3), maximum image detail, maximum realistic render, (((ultra realist style))), realist side lighting, , 8K high definition, realist soft lighting, (amazing special effect:3.5), 8K high definition, realist soft lighting, (amazing special effect:3.5)