Render a hyperrealistic portrait of a cyborg skull ghost rider humanoid standing in the middle of cyberpunk city in the dark night that, led neons signboard. The subject is holding a thick bulky samurai sword, muramasa katana. The subject wears dark red samurai warrior outfit, his skull ablaze with flames. Exhausted & sorrow vibes, its like the subject just have finish the battle, highlights intricate details of the mecha body beneath featuring metallic white titanium surface and mesmerizing white-beige fusion. Octane 3D rendering brings forth vivid colors, high-resolution textures, and precise mechanical renderings against a building backdrop bathed in luminous moon lighting.,holding katana
