Design a hyper-realistic retro-futuristic rocket launcher with a dark cyber-fantasy aesthetic. The weapon should be massive and technologically advanced, suitable for two-handed use. Size: Bulky with aggressive angles. Materials: Matte and glossy textures, metal and composites. Details: Visible pipes, energy conduits, glowing indicators. Colors: Dark tone with neon accents. Functionality: Include cooling systems and charging ports. Feel: Convey power and strength for a harsh cyber-fantasy world.