Dark anime katana inspired by Demon Slayer, matte black blade with glowing red ember cracks along the edge, slightly burned texture, absorbing light, broken circular guard (tsuba) made of dark metal with red veins, partially melted, black handle with crimson accents, surrounded by black flames and smoke aura, cinematic lighting, ultra detailed, dramatic, 4k, anime style,anime style, demon slayer style, ufotable style Mehr sehen