A towering, ancient tree-fungus hybrid rises from the cracked obsidian crust of a dying world, its colossal cap glowing with bioluminescent veins of turquoise and violet that pulse like slow heartbeats in the perpetual twilight, while rivers of liquid mercury cascade from its gills into bottomless chasms below, the air thick with floating spores that shimmer like golden dust caught in shafts of cold starlight filtering through a sky choked with auroral storms, painted in the dramatic chiaroscuro style of Simon Stålenhag and Sparth, ultra-detailed digital concept art, moody cinematic lighting, 8k masterpiece. <lora:chroma-flash-heun_r128-fp32:0.5> <lora:ConceptArt_chroma:1> Concept art.