Sigma, Overwatch’s brooding astrophysicist, commands the gravity around him to dominate an opposing team. He’s a repressive off-tank with a well-rounded set of abilities that allow him to break off ...

GameSpot may get a commission from retail offers. Sigma is a tank hero equipped with a variety of abilities, making him a flexible tank option. His main attack fires two balls, which implode in a ...

Sigma can opt to halt the shield in place wherever he chooses, which means you can safely protect your teammates in some innovative and unpredictable ways. He can also recall the shield at any given ...