Perhaps the biggest mystery of “Game of Thrones” was revealed Sunday in the second episode of Season 8: The Night King just wants to erase everyone’s internet history. The mystery of the White Walkers and the Night King has been around since the first scene of the pilot episode. We’ve had scant details about their motivations until now ― we’ve just seen them turn babies into White Walkers and leave strange symbols all over Westeros. But “Game of Thrones” just gave fans the info dump they’ve been waiting for. In an interview with Entertainment Weekly ahead of Season 8, the Night King himself, Vladimir Furdik, revealed that his character has a “target he wants to kill.” And in Episode 2, Bran (Isaac Hempstead Wright) admits that target is him. During a war council to talk about strategy as the army of the dead closes in, Bran says the Night King is after him because he’s the Three-Eyed Raven. And White Walkers have come for the other Three-Eyed Ravens before him. Here’s what...