Three Thousand Red Flag Army Iron-Masked Advance AI Image Prompt

Ultra-high-definition panorama shows three thousand Red Flag Army, a Chinese-style ferocious army wearing Asura and Rakshasa iron masks, on a grand march. The army has divisions of cavalry, infantry, heavy armored cavalry, and command. A steel torrent feeling hits the face, highlighting the army formations and the dense sense of numbers. The army covers the mountains and fields, banners blot out the sun. Enlarging the background geography, it reveals more grand advances in different directions and from different arms, with the oppressive feeling of dark clouds threatening to crush the city.