Cinematic extreme close-up of a bioluminescent deep-sea jellyfish suspended in infinite obsidian void, translucent bell dome transformed into flowing liquid chrome mercury with iridescent oil-on-water rainbow oxidation spreading across frozen gelatinous tentacles and pulsing crown edges, razor-sharp phosphorescent filaments catching violent prismatic cyan-magenta rim light, suspended plankton particles and bioluminescent sparks dancing in volumetric glow, deep void background with scattered pearl and sapphire metallic fragments, hyperrealistic 8k render, volumetric lighting carving luminous abyssal cathedral edges from darkness