As I already said in past "Nothing bad to talk with your shadow, bad if it answers"
Actually, if take into account the fact that Luna working alone, this is not strange that she create a friend^^

Luna is a Princess of the night, but in her deep she sure that she can much more)

And little pic as addition to my previous picture by the same theme

https://www.deviantart.com/yakovlev-vad/art/Dark-side-of-Moon-855254559