Holiday Challenge Romashka 16.03.2019 2017, Charm, Weekly Challenges Reward Comments 19/12/2017 Holiday Challenge overview Rainbow Six Siege – Holiday Challenge Have a Happy Siege Holiday with the Ubisoft Club Challenge. Get 15 headshots to obtain the R6 Stocking, and 30 headshots to receive the Siege Ornament. R6 Stocking charm Siege Ornament charm