We’d normally lead here with some sort of spoiler alert, but if you haven’t seen the latest episode of Game of Thrones you need to reassess your priorities in life. Assuming you did see it, you’ll now want to check out this 10-minute video that takes you behind the scenes of the epic Battle of Winterfell. How did they film it? What did they tell the actors? Why didn’t Rickon run in a GODDAMN ZIGZAG?! Okay, that last one isn’t answered, but everything else you’ve wanted to know about one of the best episodes ever is.