Arkthar the chaos necromancer, a towering figure of dread unleashing terror as effortlessly as the wind scatters seeds of darkness, portrayed on a massive scale. Rendered with meticulous attention to detail, this hyper-realistic depiction captures the essence of a Yu-Gi-Oh monster, evoking awe and fear. His aura is chaotic, swirling with enigmatic energy as he commands an army of shadows, eyes glowing with malevolent intelligence. His dark robes ripple like liquid night, adorned with arcane symbols that pulse with otherworldly power, creating an atmosphere of intense anticipation and lingering unease.