5 best Overwatch 2 heroes to counter Sigma

The counters for Sigma in Overwatch 2 are mostly heroes who can dish out sustained damage or disorient the tank character. Sigma's ability kit brandishes a strong barrier that can block incoming damage and a devastating ultimate that can one-shot weakened heroes with ease. This makes Sigma one of the most popular tanks in the game, as he can remain mobile and mitigate a large amount of damage.

Sigma in Overwatch 2 can take control of the entire battlefield if left unchecked. This is why you need to launch attacks toward this tank from different angles. Since he does not have a shield that can block attacks from all directions, you can poke at him from other directions and slowly chip away at his health pool. However, you also need to time your executes to secure the kill on this tank hero once he hits critical health levels.

This article will highlight the most effective characters to counter Sigma in Overwatch 2.

Editor’s note: The contents of this article are subjective and solely feature the writer's own opinion. Furthermore, the article has been updated to feature the latest information in accordance with the balance patch deployed by Blizzard Entertainment on February 18, 2025.

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5 best heroes to counter Sigma in Overwatch 2

Sigma is a tempo-based Tank that thrives when its cooldowns are in circulation. What differentiates a good Sigma from a great one is cooldown management, and that too, not just his own, but also that of his opponents. No matter how significantly the meta shifts, Sigma has remained a constant pick for most players, and that is because of his stable, yet powerful nature.

Naturally, its quite hard to counter him. However, if you have these heroes in your pocket, the chances of defeating him become much higher. That said, here is a list of the five heroes who will counter Sigma the best:

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1) Symmetra

Symmetra (image via Blizzard Entertainment)

Bearing the Photon Projector, Symmetra performs quite fantastic against Sigma. She is a hero who fights best in close-quarter ranges. Her Photon Projector is a laser-based weapon that becomes stronger the more it is in contact with enemies, and their deployable items.

One of the best ways to fight Sigma is to use her Photon Projector against his deployable shield to quickly charge it up to maximum potential. When done, she can push beyond the shield and inflict terrifying damage against the tank.

Furthermore, Sigma doesn't have any form of mobility in the game other than his ultimate ability. Symmetra can use this to her advantage by using her Teleporter. She can use this ability to bomb Sigma's flank with her Sentry Turrets, forcing him to turn his back to Symmetra and her teammates. Alternatively, she can use the Teleport to take off-angles against the Hero and constantly pressure him using the Photon Projector.

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2) Zenyatta

Zenyatta (image via Blizzard Entertainment)

Zenyatta excels at mid-range combat, and his Orb of Discord is the perfect support tool to take care of Sigma in Overwatch 2. Merely keeping Sigma under his Orb of Discord can yield the latter useless on the battlefield. With a 25% extra damage debuff applied on the massive Tank, Sigma is often rendered useless when a coordinated attack is played against him paired with a Discord Orb.

Furthermore, Zenyatta's ultimate, Transcendence, can entirely cancel the effectiveness of Sigma's ultimate Gravitic Flux. He is the best support hero to counter him.

Zenyatta's ability to deal massive headshot damage while afflicting enemies with vulnerability makes it easier to take down Sigma. You can target the tank with all your might and force him to either retreat or use up the shield ability. Once his shield is used, he becomes defenseless and an easy target for your team to eliminate.

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3) Winston

Winston (image via Blizzard Entertainment)

The key to being effective as Winston against a Sigma matchup is to organize a dive upon the enemy efficiently supports in Overwatch 2. While the counter isn't directly targeted at Sigma, a coordinated dive with Winston leading it can crush the enemy team's backline.

Winston can use his Barrier Projector to cut off the line of sight of the Support heroes from the Tank and block any incoming projectiles. With the lack of healing and support, Sigma crumbles, ensuring a win for the players.

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4) Sombra

Sombra (image via Blizzard Entertainment)

Sombra is a very effective counter against Sigma in Overwatch 2. Primarily, her Hack allows her to render Sigma's ability useless. When played proficiently, Sigma players will have a hard time figuring out the means to deal with Sombra.

Sombra's Hack shuts down Sigma's basic abilities and negates his ultimate ability, Gravitic Flux. Her ultimate, E.M.P., destroys Sigma's Experimental Barrier and drains most of his H.P. as it is formed of shields.

Since Sombra can flank without being seen and deal a lot of damage with her weapons, she can even cut off the supports from the team by lurking behind the enemy lines. Moreover, she can quickly get back to safety in case the situation becomes unfavorable.

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5) Baptiste

Baptiste (image via Blizzard Entertainment)

A great Support hero counter against Sigma is Baptiste in Overwatch 2. Baptiste excels at being a DPS-heavy Support who can also pump much healing when his team is close together. Perfect for brawl comps, this hero constantly threatens Sigma and his devastating ultimate.

Baptiste's Immortality Field is an excellent counter against Gravity Flux. It ensures that no one within its radius can die from Sigma's ultimate, and, with quick use of Regenerative Burst, the entire team caught in the Flux can be quickly returned to total health.

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Sigma in Overwatch 2 is one of those heroes who shines in team fights due to his ultimate ability. If you can successfully bait out his ultimate, it makes your chances of winning the next team fight drastically high. This is why constantly pushing back the damage with raw damage output and crowd control abilities like stuns and darts is very important.

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