About a month ago, HBO finally confirmed that "Game of Thrones" season 8 will premiere in April 2019. Then, not long after that confirmation, they released the first official teaser trailer titled "Dragonstone" for the show's final season. And while the teaser video didn't include any new footage, it did offer us some season 8 clues that fueled quite a few interesting theories.
Speaking of theories, one fan over at Reddit/freefolk has come up with a rather interesting theory on what or rather who really caused the White Walkers to return. As far as Reddit user u/jiddinja is concerned, it was none other than Jaime Lannister. If that sounds interesting, let's jump right in and see what this theory is all about, step by step.
Daenerys' vision
According to the Redditor, Daenerys' the House of the Undying vision was there to show us what the Red Keep would look like if her father succeeded in burning the city to the ground.
— Game of Thrones Season 8 theories (@GOTS8theories) 18. децембар 2018.
Blowing up King's Landing
"If the Mad King had succeeded in blowing up King's Landing during the sack," u/jiddinjawrites, "not only would Tywin would have died, but also Ned and anyone else in the city"
— Game of Thrones Season 8 theories (@GOTS8theories) 18. децембар 2018.