Published on July 24th, 2019 | by Admin

Overwatch: Hero 31 – Sigma – Now Live on PTR!

“Gravity is a harness… I have harnessed the harness.”

The 31st Overwatch hero, Sigma, is now available on PC on the Public Test Region (PTR)!


Sigma was once a kind and brilliant scientist, until an experiment gone wrong left him irreparably changed. During that tragic incident, Sigma sustained serious psychological damage but gained the ability to manipulate gravity on a whim. After being deemed a threat to humanity and languishing for years in a secret government facility, Sigma was eventually freed by Talon and is now being used, unwittingly, as a living weapon…

As our newest tank, Sigma will shield teammates from harm, but if the enemy applies enough force – he shall apply it back!


  • Real Name: Siebren de Kuiper
  • Age: 62
  • Occupation: Astrophysicist/Professor
  • Nationality: Netherlands
  • Affiliation: Talon


  • Hyper Spheres
    • Sigma launches two gravitic charges, which implode after a short duration, dealing significant damage in an area.
  • Experimental Barrier
    • Sigma propels a floating barrier to a location of his choosing. He can recall the barrier at any time.
  • Kinetic Grasp
    • Sigma stops incoming projectiles in mid-air, converting them into shields.
  • Accretion
    • Sigma gathers a mass of debris and flings it at an enemy to knock them down.
  • Gravitic Flux (Ultimate)
    • Sigma manipulates gravity to lift nearby enemies into the air and slam them back down.

For more info on Sigma, please visit his hero page:

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