In the future it'd be amazing with a skeletal and muscle ref to make it easier and more precise to place muscles and bones. (I'm willing to help you with anything, just ask
Anyway it helped, I'm just trying to figure out how umbra would (kind of) look IRL. :'D
Last question, what kind of existing animal do skywalker's anatomy relate the most to? I'm thinking they're close to deer anatomy? But I don't know?