Blitz Birthday Challenge Romashka 03.03.2019 2018, Charm, Weekly Challenges Reward Comments 27/03/2018 Blitz Birthday Challenge overview Rainbow Six Siege – Blitz Birthday Challenge Wish Blitz a Happy Birthday with the Ubisoft Club Challenge. Destroy 20 defender gadgets while attacking to receive Blitz’s DOB Tag charm. Blitz’s DOB Tag charm