Macro close-up of an antique brass compass floating in infinite obsidian void, rose gold casing transformed into flowing liquid chrome mercury with iridescent oil-on-water rainbow oxidation spreading across frozen metallic surface, razor-sharp crystalline compass needle suspended mid-spin, magnetic north swirling with molten copper droplets, scattered metallic filings caught in dramatic volumetric rim light, deep void background with scattered ember particles, hyperrealistic 8k render, volumetric lighting carving luminous metallic edges from darkness