Arkthar the chaos necromancer, a figure of sinister grandeur, an embodiment of fear and confusion carried with the relentless force of a storm, leaving a trail of malevolence like seeds of evil scattered in the wake of his passing. This composition is a hyper-realistic masterpiece, capturing the colossal presence and intricate detail expected in a yugioh monster. His aura is a swirling maelstrom of darkness, with arcane symbols and spectral energies weaving through the air, casting a forbidding glow. Cloaked in flowing robes that seem to merge with shadow, his visage is marked by piercing, otherworldly eyes that seem to see into the very soul. His skeletal hands, animated by necromantic power, clutch an ornate staff topped with a crystal pulsating with dark energy. The environment around him is a chaotic blend of spectral figures and ominous landscapes, reflecting his tumultuous influence on the world.