Repetition

Unsurprisingly the theatricality of the priests of R'hllor is a mix of charlatanism and actual spell weaving. Though, as was the case with the Undying of Qarth, it seems that the magic of Martin's world relies on tremendous stores of power to be effective.

The Undying grew stronger around Dany's dragons (a point which will hopefully come up again, since they're getting bigger, and therefore should have a larger field of effect), and Melisandre has noted how her powers are increased in the presence of the Wall. Though everything learned about her powders and such (early chemical weapons, in a sense) was learned from her perspective. Indeed there are many new voices in this Dance.

But aside from the increasing presence of magic at the Wall and beyond it (in Bran's) story arc, there's a strange increasing of repetition. Repetition of a single phrase: "The moon was a crescent, thin and sharp as the blade of a knife."

This phrase is repeated most often in the Bran chapter where he learns about being a greenseer, and always kicks off a section where he's wearing a different skin, but its repetition is grating, jarring. Given that it's used to signal a shift in Bran's state, this jarring quality of the repetition could be a good thing. But each time it was repeated, I flipped back to its last occurrence; it pulled me out of the story.