A formidable demon encased in dark, intricately chained armor, wielding powerful dark magic. Cloaked in tattered black and crimson robes, this malevolent figure exudes an aura of dread. Where a head should be, a pulsating red orb of energy flickers with an ominous light. Rendered in stunning 4k ultra-realistic detail, as if brought to life by the capabilities of the Unreal Engine, evoking the epic grandeur of Lord of the Rings and the mythical depth of Dungeons and Dragons.