A dark fantasy scene depicting the Grim Reaper clad in full plate armor, engaged in a fierce battle. He wields a massive scythe crafted from intertwined bones and skulls, its blade gleaming with a foreboding glow. Set within an ancient, shadowy city teeming with bones and animated skeletons, the Reaper's figure looms ominously. His black hooded cloak is adorned with intricate gold embroidery, adding a touch of sinister elegance. A skull mask conceals his face, enhancing his eerie presence. The atmosphere is gritty and tense, underscored by swirling mists and awash in ominous shadows. As the battle unfolds, the scene captures the haunting essence of a dark fantasy world, where the undead roam and the Reaper commands.