Sigma counters, tier and perks

Hero Playbooks tier: B (confidence high). Matchup data confidence: high. Last updated 2026-10-14.

Abilities

Hyperspheres · Kinetic Grasp · Accretion · Experimental Barrier · Gravitic Flux

Vendetta: Vendetta moves so much that Sigma has trouble landing his Hyperspheres or Accretion. (high confidence)
Brigitte: Brigitte's shield blocks Sigma's Accretion. (high confidence)
Zarya: Particle Barrier blocks Sigma's Accretion. (medium confidence)
Symmetra: Sigma's barrier feeds Symmetra's beam charge, and Kinetic Grasp can't absorb her beam. (medium confidence)
Echo: Stat-based: wins the 1v1 in Counterwatch duel data (rating +6.1); also favored by RankedBoost counters. No written explanation in our sources yet. (medium confidence)
Reinhardt: Sigma struggles when the fight gets close. (medium confidence)

Hanzo: Sigma is strong in head-on fights at mid-range. (high confidence)
Hazard: Sigma pokes Hazard down easily, and Accretion hits him hard. (high confidence)
Wrecking Ball: A rolling Wrecking Ball can be stunned out of it with Accretion, and his guns are soaked up by Kinetic Grasp. (high confidence)
Cassidy: Cassidy usually fights at mid-range, which is exactly where Sigma wants to fight. (high confidence)
Ana: Kinetic Grasp and Experimental Barrier let Sigma cancel Ana's abilities while he pressures her with his primary fire. (high confidence)
Sierra: Even when Sierra lands Tracking Shot, Experimental Barrier or Kinetic Grasp lets Sigma cancel nearly all of it. (medium confidence)

Kinetic Cycle: Projectiles soaked up by Kinetic Grasp also lower Accretion's cooldown.
Hyper Regeneration: Experimental Barrier regains health equal to 30% of Hyperspheres' damage.

Hyper Strike: After every 5 direct Hypersphere hits, Sigma's next Quick Melee that connects lifts and knocks enemies away.
Levitation: Press and hold Double Jump to float upward for a moment.