Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Change background to moonlit castle on hill. duotone noir illustration close up of bald merchant demon floating in midair in medieval brown tunic. background willow tree foggy evening. dynamic dark dream atmosphere with volumetric hellish lighting, by sachin teng and sergey kolesov and ruan jia and heng z. graffiti art, scifi, fantasy, hyper detailed. octane render. concept art. trending on artstation

### Response:
Duotone noir illustration close up of bald merchant demon floating in midair in medieval brown tunic. Background moonlit castle on hill. Dynamic dark dream atmosphere with volumetric hellish lighting, by Sachin Teng and Sergey Kolesov and Ruan Jia and Heng Z. Graffiti art, scifi, fantasy, hyper detailed. Octane render. Concept art. Trending on ArtStation.

### End