The vast majority of the population were slaves, who had to be well-muscled to lift heavy stones to build all those beaux-arts star forts of the Tartarian Empire. Then there were the barbarian warriors, who needed the musculature to effectively wield a zweihänder. If you saw a skinny dude, chances are he was an evil wizard.
30 years on, that guy still had all those gadgets dangling from his belt, but now he’s the crazy old guy who lives in the junkyard