This is an Illustrious style lora for the character Brimstone from DC Comics. This Brimstone is not to be confused with the cybernetic fire demon Brimstone that Darkseid made. This Brimstone is a former coal miner turned into a demon fire elemental.
A weight of 1.35 works well with this with most models. Sampling Steps of 15 to 35 works well with most models, as does a CFG Scale of 3.5 to 7.5.
Prompts for this lora are ( Brimstone, muscular, monster, ).