Bran says…

Bran says, “Reverse the letters of your house name. Now remove the heroic one, the littlest one, the one celebrating the teardown of the Wall, the one for Gottffried van Swieten, the one in D, the one with an encored allegretto, and the slender Greek maiden between two Norse giants. Speak this before the master of the dragons, and your family will be saved.”