The Guardian Obelisk is a towering, ancient structure with a sleek, metallic surface that reflects a deep blue hue under light, suggesting advanced alien technology. Its form is geometric and symmetrical, featuring sharp, angular edges and intricate, glowing engravings that pulse with a faint energy, indicating its mysterious purpose. The surface is smooth with a slightly reflective finish, interspersed with areas of rough, weathered textures that hint at its age and the harsh conditions it has endured.