This is an SDXL lora for Demon King's Castle style backgrounds. The style of castle is generic for a demon king's castle with elements related to dark fantasy.
A weight of 1 to 1.5 works well with this with most models. Sampling Steps of 15 to 35 works well with most models, as does a CFG Scale of 2.5 to 5.
Prompts for this lora are ( DemKinCas, castle, dark fantasy, ).