Motion of a large mechanical spider with a dome-like body, rust-colored metal, in a mystical forest setting. A human, with rugged clothes and backpack, intrigued by the spider. Forest has towering trees, overgrown vines, and a reflective stream enhancing the magical atmosphere. Organic blend, robotic design, hyperrealistic, intricate, aged, weathered, rusted, glowing, dense, ancient, reflective, eerie.