Board Thread:Speculation House/@comment-29706086-20160821000819/@comment-4010415-20160821143315

I'm pretty sure the reason Ruby is so skilled at fighting is because of her silver eyes genes. After all, Qrow said

"it was said that those born with silver eyes were destined to lead the life of a warrior. You see, the creatures of Grimm, the most fearsome monsters mankind had ever encountered, were afraid of those silver eyed warriors. They were the best of the best."

And like SYUTK said, the moon is everywhere. There's a lot of emphasis on it. I could probably make a gallery showing every single time we've seen the moon, but it'd take some time and be an awful lot of images.