This is an Illustrious style lora for the character Superman from DC Comics. Specifically the version of Superman from an issue of Action Comics in 1958 wherein a descendant of Circe turned Superman into a half man half lion. A fun note for the time, Circe was portrayed as a Kryptonian scientist that specialized in genetics and trapped on Earth. It was only later she was retconned into being the demigoddess and nemesis to Wonder Women.
A weight of 0.85 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 ( Superman Lion, muscular, lion, ).