A fabled weapon, born from the cosmic essence, possessing the formidable ability to manipulate dark matter and conjure black holes. This extraordinary fusion of futuristic technology and ancient sorcery boasts a blade with an obsidian sheen that seems to drink in light, while luminous indigo veins throb within its core. The hilt bears intricate cosmic engravings reminiscent of swirling nebulae and contains a suspended, dark energy node at its center, emanating an unsettling gravitational aura. When unleashed, the weapon warps the fabric of space, sending ripples across reality, and with a mere swing, it can open miniature black holes, consuming all in its wake. A marvel of annihilation and cosmic supremacy, it strikes fear into the hearts of deities and mortals alike.