Board Thread:Off Topic/@comment-24993958-20150501024240/@comment-25396609-20151215205626

Being stronger when you're angry or being able to tank damage when you're depressed is what I was thinking.

Semblance mixing I believe can be done by two people in unison, we saw one of Weiss' glyphs turn red during the Nevermore fight, presumably when it combined with Ruby's speed semblance springboard thing.