User blog comment:Omega natsu2/Fairy Tail Episode 197: Hisui Rises, Review./@comment-7418318-20141108100833/@comment-24.177.95.45-20141108225011

I thought you could name silver keys what you want. There are multiple versions of the silver keys and only one of the gold keys. All those Plus were all the little dog was it constellations? They just had Yukino name them after the stars in the constellation.