She was asked to sneak into ruins and hostile laboratories to retrieve whatever usable technologies she could find, all in the name of research. But why bother with the hassle of smoke and illusions when practical machinery could do the same thing? The gyros she traveled with were her closest allies, watching out for enemies and helping her cloak up and run when the situation got too hot. But if that happened, nothing beat the feeling of electrically overloading everything to destroy the evidence that she was ever there...with a hammer, just to be sure.
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Just trying out a futuristic theme again. When I got the Ash backpiece, I wanted to change up my engi's scrapper outfit to make her look like a leather-clad spy. The gun is just there for decoration; I'm not a fan of rifles on engi, but I like how the machined one looks like a shotgun here.