Zofia Bosak is a highly skilled operator in Tom Clancy's Rainbow Six Siege, known for her tactical expertise and resilience on the battlefield. As a member of the Polish Special Forces unit GROM, she brings a unique set of skills to the team, including her impact grenades and KS79 Lifeline launcher, which allows her to breach and clear rooms effectively. Zofia is portrayed as a determined and resourceful character, often taking on leadership roles within missions. Her background story reveals a complex relationship with her sister, Ela, who is also an operator in the game.