[hider=@Guesswho]
1. I think it's Yang's mother, with an incredibly lazy Yang recolor model. There's quite a few theories linking her to this. Namely, the one linking her and Qrow together as siblings (Raven and Qrow Branwen) as spies for Ozpin. Explains why she suddenly disappeared, why she's in a White Fang mask and how she knew Yang was in trouble.
2. Seemed shoehorned in for the 'awesome factor'
3. 'Bout damn time.
4. Yeah, it was incredibly underwhelming for a catastrophe. [/hider]