The Assaultron is a humanoid robotic enemy with a sleek, retro-futuristic design, featuring a metallic body with angular, armored plating. Its head is dominated by a single, large red eye sensor, giving it a menacing appearance. The body is segmented with visible joints and cabling, suggesting advanced mobility, and its hands are equipped with sharp, retractable blades for melee combat. The surface is weathered and scratched, showing signs of prolonged use in post-apocalyptic conditions.