A cinematic digital art depiction of a medieval knight poised with a one-handed sword held defensively in front, adorned in opulently detailed red and purple armor exuding an aura of gothic elegance. The armor gleams with hyper-realistic textures as intricate etchings shimmer subtly in the ambient light, evoking the haunting beauty reminiscent of the Dark Souls aesthetic. Encased in a darkcore medieval setting, shadows loom ominously, enhancing the knight's formidable presence. The atmosphere is dense with an air of mystery and ancient battles fought. Crafted for a 4k wallpaper, the scene captures the essence of a dark medieval epic, drawing the viewer into its captivating depth, merging realism with a touch of fantasy in stunning 8k resolution.