Who is Sierra in Overwatch? Sierra, formerly known as Hero 51, has been officially revealed with the release of the Summit Breach trailer, giving us a first look at the newest character in Season 2. As a member of Helix Security, Sierra utilizes a large plasma rifle and a bird-like drone to protect the world from evil forces. While the Overwatch trailer didn’t reveal as much as we would’ve liked, there has been a leak that confirms some suspicions people have about her kit. With Season 2 set to launch on April 14, we won’t have to wait long to see where Sierra fits alongside the best heroes on the Overwatch tier list.

 We break down the latest information and leaks about Sierra and her abilities ahead of her debut in Overwatch Season 2.  PCGamesN