But for a lot of people, the White Walkers still need more clarification about how big of a threat they really were. So, who are they exactly? What’s their purpose? Who exactly is the Night King?

While the White Walkers and Wights might cause unecessary ... the whole process and learn more about the epic battle in the "Hardhome" episode of season five.

An curved arrow pointing right. We know very little about the mysterious race of creatures called the White Walkers, but in the fifth episode of season 6, we finally learned how they came to be.