"The Wall will hold the Army of the Dead for now." Things weren't as bad as she had imagined, so he quickly reassured his sister. "Dragons do breathe fire, you know. And my hatchlings? They have already doubled in size in three days. In a year, they'll be big enough to torch wights by the thousands. I also am in the possession of a Valyrian steel blade. If we manage to find dragonglass from somewhere in the north, fighting them wouldn't be much of a hassle. "Sansa visibly relaxed at his reassurances.