User blog comment:Maki Kuronami/Lesson 20: This is why you work with a party in RPGs./@comment-10390252-20140815120142

I think that Weiss's yellow glyph creates a time dialation effect. So, Blake was moving at, say, 1/100 normal speed, allowing her to intercept all of the Paladin's missiles with Gambol Shroud in chain-scythe mode.