This is an Illustrious style lora for the character Ultron from Marvel Comics. Specifically the look of Ultron Destroyer from an alternate earth story line, Earth 10943, where he is combined with the Destroyer armor.
A weight of 1 to 1.35 works well with this with most models with best results around or near 1.35. Sampling Steps of 15 to 35 works well with most models, as does a CFG Scale of 3.5 to 7.
Prompts for this lora are ( Ultron Destroyer, muscular, robot, ).