Rook Birthday Challenge Romashka 03.03.2019 2018, Charm, Weekly Challenges Reward Comments 02/01/2018 Rook Birthday Challenge overview Rainbow Six Siege – Rook Birthday Challenge Wish Rook a Happy Birthday with the Ubisoft Club Challenge. Play 7 rounds as Rook to unlock the Rook Medallion Charm. Rook Medallion Charm