This is an Illustrious style lora for the character Omen from Killer Instinct.
A weight of 1 to 1.25 works well with this with most models and depending on certain 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 ( Omen, muscular, ).