A formidable demon clad in intricately detailed armor, intertwined with chains that glint menacingly under an ominous sky, harnessing shadowy arcane powers. Its towering figure is draped in flowing cloaks of black and crimson, rippling with an unsettling energy. Where its head should be, a swirling orb of fiery red energy pulses with a captivating intensity. Crafted in ultra-realistic 4K detail, this demon exudes an aura of dark majesty, echoing the epic fantasy worlds akin to Lord of the Rings and Dungeons and Dragons, yet elevating its dark mystique with slight surreal elements that challenge the boundaries of reality.