art nouveau illustration of a labrador retriever, haunted mansion with mysterious whispers, whimsical elements, intricate details, ultra sharp, soft textures, exquisite detail, flawless composition, masterpiece, highest quality, extremely detailed CG unity 8k wallpaper, vivid colors  <lora:ArsMJStylePony_-_Art_Nouveau_SDXL_1.5:1> ArsMJStyle,