Nix, Changeling Blood Hunter

Nix is a skilled fighter who wields their weapons with finesse and uses blood magic to empower their abilities in battle. As a changeling, they are versatile in all aspects of their life. Nix has no fixed gender. Here you can see Nix with their pet tarantula.
What do you think? :)
I could not decide which background would fit Nix most, so I made three versions: red, green, and blue!
So, which version do you prefer? :)
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