Overwatch PTR update 1.39 patch notes add Sigma as Hero 31

Overwatch's mad scientist Sigma has joined the PTR and is now playable on PC, ahead of a wider release.


The time for waiting is over. Blizzard has now revealed all details on Overwatch's latest playable hero. After a weekend full of teases and after a few days of mystery regarding his abilities, Blizzard has formally revealed the full kit for Sigma ahead of Tuesday morning's PTR 1.39 update. Moreso, Sigma is now playable to all PTR players on PC.

Overwatch - Sigma

Fresh off this morning's reveal stream from Brandon "Seagull" Larned and Overwatch Director Jeff Kaplan, here are all of Sigma's abilities:

  • Hyper Spheres: Sigma will send out two gravitic charges. They'll implode after a short time and deal significant damage to any heroes around them.
  • Experimental Barrier: Sigma will send out a floating barrier to a chosen location. The barrier can be recalled any time.
  • Kinetic Grasp: Sigma will stop incoming projectiles in midair and convert them into shields. It may be tougher to stop smaller rounds, but those Pharah missiles will look pretty nice as a shield.
  • Accretion: Sigma will gather a handful of debris into a projectile and fling it towards enemy heroes, knocking them down.
  • Gravitic Flux (Ultimate): Sigma's Ultimate will manipulate gravity in order to lift nearby heroes. In addition to leaving them defenseless to onslaughts from teammates, Sigma will then slam them down on the ground for massive damage.

Sigma's arsenal fits in with his origin as a brilliant astrophysicist. Sigma was once a benevolent scientist who sought to conduct research on gravity. A terrible lab accident left him psychologically warped, leaving him a prime target for Talon, where he now serves as one of the organization's most dangerous soldiers.

Elsewhere in today's PTR 1.39 patch, Role Queue has seen a few minor updates and bug fixes. Endorsements are now available across Mystery Heroes, No Limits, Deathmatch, Total Mayhem, Low Grav, and all PvE game modes. And the Overwatch Workshop is getting a few tweaks to its overall quality of life.

Visit the Overwatch forums for more on Tuesday's big PTR 1.39 patch. Sigma will release on all PC servers, as well as Xbox One and PlayStation 4, in the near future.

Senior Editor

Ozzie has been playing video games since picking up his first NES controller at age 5. He has been into games ever since, only briefly stepping away during his college years. But he was pulled back in after spending years in QA circles for both THQ and Activision, mostly spending time helping to push forward the Guitar Hero series at its peak. Ozzie has become a big fan of platformers, puzzle games, shooters, and RPGs, just to name a few genres, but he’s also a huge sucker for anything with a good, compelling narrative behind it. Because what are video games if you can't enjoy a good story with a fresh Cherry Coke?

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