“Our input in that is to just tell the story and make sure those moments get on camera. “Game of Thrones” is full of those, and I think that’s one of the joys of it, the fact that it makes fandoms feed off each other and gets people excited. I was completely unaware, but other people seem to be very aware of it, and I think those moments are really satisfying. He said, “Jon needs to know about this,” because Jon realizes that that amount of dragonglass would be needed. Speaking of that scene, fans have enhanced the book Sam was looking at and saw that dragonglass could supposedly cure diseases.

Source: Huffington Post July 18, 2017 19:52 UTC