Board Thread:Speculation House/@comment-410526-20151125210644/@comment-4010415-20151126235801

I'd like to point out that Weiss' black glyphs are definitely not a result of black Dust. If they were, she would have black Dust in Myrtenaster, which she doesn't. Furthermore, we haven't seen any evidence that black Dust even exists.

Black is simply a normal function of her glyphs. When she sets her glyph to hold someone or something in the air, the glyph turns black.

The only questionable color we have for her glyphs is red. The only time any of her glyphs ever turned red was in Players and Pieces, with Ruby in it. I can't help but wonder if it turned red and started spinning more rapidly because Ruby started using her Semblance in order to give herself even more of an acceleration boost. If this is the case, this leads me to wonder if anyone in Remnant knows that you can mix Semblances. If not, then Ruby just unknowingly discovered it and doesn't even realize what she did.