The creature features grounded biological realism: its

A hyper-realistic, cinematic masterpiece of a **colossal Storm Bird (Roc)** diving through a supercell thunderstorm. The creature features grounded biological realism: its feathers are slate-gray, stiff and aerodynamic like a falcon's, but with metallic tips that glow with static electricity. Its wingspan is massive enough to dwarf cargo planes. As it moves, visible "St. Elmo’s fire" flickers along its wing edges. The background is a chaotic sky of swirling dark clouds and internal lightning flashes (intra-cloud lightning). Lighting is **strobe-like and high-contrast**, triggered by lightning bolts that reveal the creature's powerful muscular chest and intelligent, predatory eyes. Shot from a **chase-plane perspective** with slight camera shake for realism. Technical specifications: **24mm wide-angle lens**, f/2.8, 8k resolution, micro-detailing on water droplets on feathers, cinematic "Cold Blue" color grading with high-dynamic-range (HDR) highlights.9:16