Earth, located in the Soul-system, was the third planet orbiting the star Soul and the birthplace of Humans. For millennia, it was home to an astonishing diversity of life, rich ecosystems, and the civilizations that defined humanity's earliest achievements. Once known as the Blue Planet due to its vast oceans, Earth was the center of humanity’s development, where their art, science, culture, and technology first flourished. It was here that humans took their first steps toward understanding the universe, eventually launching themselves into space.
As the cradle of all human life, Earth’s resources and beauty made it the foundation of countless myths, histories, and ideologies. Its significance remained unparalleled, even as humanity expanded into the stars. The legacy of Earth influenced every aspect of human identity and culture, serving as a reminder of their origins amid the vastness of space.
However, during the Great Intersolar War, Earth's destruction marked the darkest chapter in human history. Most of the planets surface was torn apart, leaving only a debris field in its former orbit. This catastrophic loss transformed Earth into the Grave, a somber symbol of humanity's sacrifice and failure. The remnants of Earth now form an asteroid belt, while chunks of its mass orbit Luna, giving the moon a grim planetary ring.
Today, the Grave is revered as a sacred site. It stands as a stark reminder of the cost of ambition and conflict, a hallowed ruin where humanity mourns its past and looks to its future. Access to the Grave is strictly forbidden, protected by the LDF(Luna Defence Fleet), ensuring that Earth's memory remains untarnished.