Arkthar the chaos necromancer, master of fear and confusion, wielding his powers like the wind disperses malevolent seeds, depicted in a masterpiece of enormous scale, with intricate details and hyper-realism, reminiscent of a Yu-Gi-Oh monster. The scene is vibrant and dynamic, showcasing Arkthar's imposing presence and chaotic energy, surrounded by swirling shadows and ethereal specters, amidst a darkened, tumultuous landscape.