To Fans of Game of Thrones, Greyscale and its disruptive terror might be a reminder of the Black Death oder those mysterious poxes and fluxes that chroniclers wrote about in the era before modern medicine.
There are some Game of Thrones book knowledge-enhanced spoilers towards the end of this article, but before we get there let’s take a moment, in a spoiler-free way, to refresh viewers on greyscale.