This is an Illustrious lora for Genghis Rex from the 80s cartoon Dinosaucers.
A weight of 0.85 to 1 works well with this with most models. Sampling Steps of 15 to 35 works well with most models, as does a CFG Scale of 5 to 7.
Prompts for this lora are ( Genghis Rex, Dinosaucers, muscular, dinosaur, trex, ). Sometimes adding the prompts ( red skin, ) can help.