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. The Sierra gameplay trailer, released on April 9, gave us a look at all of her abilities, confirming the Overwatch leaks from earlier in the month. 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.
Overwatch Sierra abilities guide
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