Trick or Treat Studios and HBO are proud to present the officially licensed game of thrones night’s king Halloween mask. Based on hundreds of on screen and behind the scenes images and personally approved by the producers at HBO, this mask is the ultimate replica of the night’s king. So get yourself our game of thrones night’s king mask and our white walker mask and hunt down the humans beyond the wall. Game of thrones. 2016 home box office, Inc. All rights reserved.