an evil paladin in dark armor. He has long flowing black hair. In his hand, he wields a large, fearsome sword with a black blade etched with glowing red runes surrounded by dark magic tendriles. His arm is glowing with dark energy. He stands atop a mound of bleached skulls. Render this scene with an aura of palpable malevolence, ensuring an otherworldly quality that befits a high-fantasy setting. The overall atmosphere should be charged with the power of darkness and evoke a sense of dread and awe.