Mecha pilot standing in front of a giant robot, intense battle scene, futuristic armor, high-energy pose, dramatic lighting, anime mecha style. The graveyard of rusted robots. How to express rust: Rust isn't just one color; mixing brown, reddish-brown, ochre, and dark gray will create a natural look. Adding thicker layers of rust to the corners and seams will make it more realistic. A sense of aging: Avoid perfectly straight lines, and add dents, cracks, chips, and exposed wiring. Additionally, intertwining grass and ivy will enhance the feeling of long-term abandonment. Background tips: To create a graveyard feel, don't just use plain dirt for the ground — mix in elements with silhouettes like metal fragments, screws, and bones. A sunset sky will look emotional, while a cloudy sky will give it an eerie atmosphere. Color composition: Tie everything together with muted tones, and adding just one bright color will make the main subject stand out. For example, a robot with only one glowing eye makes a strong impression. Easy-to-use reference information: For reference materials on robots and post-apocalyptic background art, municipal exhibition documents include background art information such as robots from Laputa and ruined Laputa, which serve as hints for building a worldview. (city.takamatsu.kagawa.jp) Also, in critiques of background artworks, adding metallic textures and traces of everyday life is said to increase persuasiveness, making it easy to apply to the expression of rusted machinery. (cgworld.jp)