A 3D render of the upgraded head of the Revenant Destroy mecha. Hyper-detailed design with sharp, angular armor plating, deep panel lines, and exposed cybernetic components. The surface has a mix of matte black and glossy crimson materials, glowing red eye lenses, and mechanical mandibles. High-tech, menacing, futuristic war machine look. Cinematic lighting, semi-realistic rendering, dramatic shadows, 4K.