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Gammacor

Build the base Gammacor. Mastery Rank 2 unlocks it, it costs next to nothing, and the Incarnon Genesis Adapter it shares with Synoid Gammacor is cheap to grab too. Skip the Synoid grind unless you specifically want its energy return passive: 2026 tier lists still call this weapon line solid but mid-pack, well behind the Atomos Incarnon on raw damage.

Unique trait: Incarnon transmutation

Alt-fire swaps the continuous beam for a slow semi-automatic mode: it fires a Cold explosive projectile that pulls enemies in for 1.2 seconds before detonating. Filling the meter takes 15 headshots or weakpoint hits. Since the beam tracks your reticle, that part is rarely the hard bit.

Gammacor fires a continuous hitscan beam instead of bullets, dealing Magnetic damage with perfect accuracy at any range you can see. It’s been one of the cheapest secondaries in the game to acquire since launch. In 2026 it matters for one reason: the Incarnon Genesis Adapter it shares with Synoid Gammacor.

That adapter turns a slow, beam-only leveling tool into an actual Steel Path option: it layers a semi-automatic explosive alt-fire mode onto the base weapon. Cheap either way. Grab the base Gammacor for pocket change, or grind toward Synoid Gammacor if you want the energy return too.

How to get the Gammacor

Two entry points here. Both are cheap enough that Platinum isn’t really the blocker.

  1. Reach Mastery Rank 2: required to equip the Gammacor.
  2. Buy the blueprint on the Market: 200 Platinum.
  3. Or complete the Uranus to Neptune Junction: the blueprint drops free, no Platinum needed.
  4. Build it in the Foundry: about 20,000 Credits, 2,500 Alloy Plate, 650 Plastids, 400 Circuits, 2 Argon Crystals, 12 hour timer. Cost figures vary slightly by source, so treat this as an estimate and check your own Foundry screen.

The adapter is what makes this weapon worth building in 2026. It’s shared between Gammacor and Synoid Gammacor, so you only need to unlock it once.

  1. Farm The Circuit’s Steel Path mode in Duviri: requires The Duviri Paradox, Angels of the Zariman, and Steel Path unlocked. The weapon pool rotates weekly, so check the reward screen for the current lineup before you commit a run.
  2. Or buy it from Cavalero: 120 Platinum, skips the Circuit drop chance entirely.
  3. Install the adapter: 20 Pathos Clamps, 70 Ueymag, 80 Lamentus.

Want the Cephalon beam instead? Synoid Gammacor is a separate, steeper grind, and it’s not a Simaris item.

  1. Rank up with Cephalon Suda: reach Genius rank, Suda’s max standing tier.
  2. Buy Synoid Gammacor from Suda: 100,000 Standing, no blueprint or Foundry build involved.
  3. Reach Mastery Rank 7: required to equip it.
  4. Or trade for one: tradeable copies arrive unranked, with no Forma or Catalyst installed.

Stats

ClassSecondary
Mastery Rank2
TriggerHELD
NoiseAlarming
Fire Rate12
Accuracy100
Magazine60
Reload1.4 s
Critical Chance8%
Critical Multiplier1.8x
Status Chance20%
Riven Disposition (1.15)
Damage16 total
Magnetic16

Gammacor sits at 4 of 5 riven disposition circles (1.15x). Synoid Gammacor sits at 3 of 5 (1.10x). Funny enough, the cheaper base weapon rolls rivens slightly better than its own upgrade.

Builds

This spread leans on the beam’s innate Magnetic damage and stacks Heat, Cold, and Toxin on top, covering most factions without leaning on one element mod. It’s built around the plain beam, not Incarnon mode. If you’re chasing the Incarnon side instead, weapon affinity for Evolution unlocks matters more here than another Forma.

ModEffect
Primed Heated Charge+165% Heat damage.
Primed Target Cracker+110% Critical Damage.
Galvanized Diffusion+110% Multishot. On kill, +30% Multishot for 20 seconds, stacks up to 4 times.
Primed Pistol Gambit+187% Critical Chance.
Galvanized Shot+80% Status Chance. On kill, +40% direct damage per status type affecting the target for 14 seconds, stacks up to 3 times.
Lethal Torrent+60% Fire Rate, +60% Multishot.
Pistol Pestilence+60% Toxin damage, +60% Status Chance.
Frostbite+60% Cold damage, +60% Status Chance.

Arcane choice splits the community here, and there’s no settled consensus pick. Secondary Merciless (flat extra damage plus reload speed) gets the nod for Incarnon mode, since the explosion’s Cold damage doesn’t trigger Heat based arcanes like Cascadia Flare. Cascadia Flare fits the plain beam build above instead, where Primed Heated Charge keeps a Heat proc running.

Reviewed September 2026.

Pros and Cons

Pros

  • Cheapest possible entry point: Mastery Rank 2, no quest, no clan research, 200 Platinum or free from the Uranus to Neptune Junction.
  • Hitscan beam means 100% accuracy on target, with no projectile travel time.
  • One of the easiest Incarnon weapons to fully charge, since a beam that tracks your reticle makes headshot and weakpoint uptime trivial.
  • Synoid Gammacor’s Entropy passive reportedly returns Warframe Energy on top of the damage it deals, doubling as an ability battery.
  • Cheap to mod effectively. No exotic multi-Forma combo needed to perform in Steel Path.

Cons

  • Outclassed in raw Incarnon damage by newer options like the Atomos Incarnon.
  • Synoid Gammacor is gated behind a 100,000 Standing Genius rank grind with Cephalon Suda and Mastery Rank 7, versus the trivial base Gammacor.
  • The Incarnon explosion falls off to 70% damage at the edge of its already small 5 meter radius.
  • Incarnon mode trades the beam’s continuous clear speed for a slow semi-auto burst, so it’s a situational swap, not a straight upgrade.
  • Current tier lists call the niche very limited. It’s a budget crowd-control pick, not a top damage secondary.

This is a weapon for players who want a working Incarnon without spending real money or grinding a syndicate for weeks. New players get a cheap, easy-to-mod beam that carries early star chart missions just fine.

Steel Path veterans get a niche crowd-control option worth keeping modded, not a replacement for a top-tier secondary. If raw damage output is the goal, the Atomos Incarnon does that job better. Not close.

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