Eldritch Horror in Velvet Robes Haunts a Rocky Cavern

Image Prompt:
A cinematic dark fantasy digital concept art piece depicting a tall, sinister eldritch entity standing in a red desert cave. The character features a featureless, glossy dark-red oblong helmet head, a ribbed black biomechanical torso, and multiple curling, glossy red tentacles extending from its helmet . It wears a long, flowing, heavily pleated crimson velvet gown that pools on the reddish sand. The environment consists of rough, dark red rocky cavern walls in the background. Soft, dim natural lighting creates deep shadows, emphasizing the dramatic silhouette and contrast of textures. Dark crimson, black, and terracotta color palette, full-body portrait, sharp focus, surreal fashion design illustration style.

Video Prompt:
I let Grok do it thing, it chose the animations.