Dark Anime Warrior Poster Prompt

Create a dark cinematic anime illustration in a gritty semi-realistic style, widescreen 16:9. Show exactly 2 male fantasy warriors from the chest up, standing back-to-back in a nearly black void. The left warrior has {argument name="left character hair color" default="messy silver-gray hair"}, pale skin, a visible ear with a small earring, and wears a tattered black hooded cloak over cracked dark armor; his left hand grips the hilt of a katana or short sword near the lower-left corner. The right warrior has {argument name="right character hair color" default="vivid layered blue hair"}, leans forward slightly, and wears scratched white-silver armor with dark cloth at the neck. Cover each character's face with a large opaque rectangular censor block: exactly 2 blocks total, one dark charcoal square over the left character's face in the upper-left center, and one dark blue-gray vertical rectangle over the right character's face in the lower-right center. In the background, hide shadowy demonic silhouettes with exactly 3 visible glowing red eyes: two near the upper center and one near the upper right. Use dramatic low-key lighting, high contrast, sharp painted hair strands, wet highlights on armor, scratches, grime, and a somber blue-black color palette. No text, no watermark, no extra characters, keep the composition cropped tightly and moody.