a high-poly 3D game asset of a futuristic hybrid weapon combining a sword and a gun. The weapon should have a sleek, sci-fi design with a long curved blade made from dark metal and etched glowing blue runes along the edge. The handle should be ergonomic, featuring a pistol grip with trigger detail and a glowing energy core embedded in the middle. The rear section of the weapon includes a short gun barrel with mechanical parts and vents.