extremely 3 d render detailed intricate ornate metallic bone carved concept art of hooded necromancer in front of a lovecraft portal by marc simonetti, zdzisław beksinski, h. r. giger, rising from the void, dark neon retro wave, purple fog, volumetric mist, golden and mysterious, realistic atmospheric, ominous, cinematic, epic, ultra detailed, ultra realistic, unreal engine, octane render, vivid colors 