Like sooty owls can give some lovely inspiration for that? Can see where I'm pulling "look like a starry night sky" from as well when it comes to the feather pattern. For real to.

You not wrong, and also it very much does have claw boots. Give or take my focus is more on the hooded robes and just how dramatic that can get, really.

You've got some good abilites there with the shapeshifting in to an owl/other birds but also the stormy weather control and I can't think of anything to suggest there because really outside of... I think there's parts of the folklore that makes La Lechuza immune to bullets when not shapeshifted? Or the other way around, it's hard to remember.