A high-quality raw photo capturing a heroic squirrel donned in a black batman-inspired costume, striking a valiant pose amidst the backdrop of a desolate city in ruins. The dramatic scene is set under a foreboding stormy sky, with soft lighting accentuating the intricate details of the costume. Shot in 8k UHD using a DSLR, the image boasts a subtle film grain that adds depth and texture. The uncanny juxtaposition of the small yet gallant rodent against the grand scale of the post-apocalyptic environment is captured with the precision of a Fujifilm XT3, creating a vivid and impactful visual narrative.