Board Thread:Questions and Answers/@comment-4115045-20160630202139/@comment-1399600-20160702152216

Wildefire is fictional and the Whitewalkers don't leave footprints in the books as far as I know.

Unrelated topic.Vote for Lord of House Stark: There's an ongoing discussion of the head/lord of House Stark. Here's the thread link to the thread: http://gameofthrones.wikia.com/wiki/Thread:47132#16. Add some input, there's a poll too for those who love voting.