A fearsome armored demon cloaked in swirling black and crimson robes, wielding dark magic, its head replaced by a pulsating orb of radiant red energy, reminiscent of a malevolent sorcerer from the realms of epic fantasy, rendered in 4k ultra-realistic detail as if conjured by the most advanced unreal engine technology, evoking the grandeur and mystique of Lord of the Rings and the dark, intricate lore of Dungeons and Dragons.