We needed to defend ourselves,” she’s referring to the coming of the First Men across the Narrow Sea to Westeros. When Leaf tells Bran, “We were being slaughtered.
We don’t have all the answers, either, but we can fill in the blanks for some based on what we know from the books. dragon-glass) into the chest of their first test subject, the man who would become the Night’s King? Did they ever have the means to control their Frankenstein creatures? And why did the White Walkers turn against their makers?
For instance, did they know what they were doing when they shoved what appears to be an obsidian blade (a.k.a. His lesson is a bit rushed, and he doesn’t get all the answers he’d like. In one of Bran’s three visions on Sunday, he discovers the origin story of the White Walkers: The not-quite-so-innocent Children of the Forest created them. Spoilers ahead for the most recent episode of Game of Thrones and A Song of Ice and Fire.