Theorylytics

Hydroid

Brine Battery

Plunder Gun Platform

Frame
Hydroid
Forma
4
Playstyle
Helminth
Replace 4 (Roar / Nourish / Eclipse)

Gun Hydroid - Deepen packs, Plunder for Corrosive and armor, Helminth buffs weapons. Tentacle Swarm optional.

Alternative builds

Build dossier · Brine Battery

4 Forma

Loadout

Aura + Exilus on top, then eight general slots in two rows of four.

-7

Corrosive Projection

Enemies lose -18% Armor

9

Power Drift

+15% Ability Strength · +30% Chance to Resist Knockdown

16

Blind Rage

+99% Ability Strength · -55% Ability Efficiency

16

Transient Fortitude

+55% Ability Strength · -27.5% Ability Duration

14

Primed Continuity

+55% Ability Duration

14

Stretch

+82.5% Ability Range

14

Primed Flow

+185% Energy Max

12

Adaptation

When Damaged: · +10% Resistance to that Damage Type for 20s. Stacks up to 90%.

12

Rolling Guard

On Dodge: · Become invulnerable for 3s and remove all Status Effects. 7s cooldown.

16

Umbral Intensify

+44% Ability Strength · +11% Tau Resistance

Arcanes

Recommended pair first, then flexible swaps.

RecommendedMolt AugmentedWarframe · RareStrengthRecommendedArcane RageWarframe · RarePrimary
Arcane EnergizeWarframe · LegendaryAlt

Arsenal

Playstyle

Helminth over Tentacle Swarm — Deepen, Plunder Corrosive, weapon buff, guns clear. Barrage optional chip / Viral.

Passive abilities

Enemies damaged by Hydroid become Deepened — further hits strip armor. Plunder spends those Deepened marks for armor and Corrosive damage for you and allies.

Active abilities

  • 1 Tempest Barrage — Rain explosive water. Viral Tempest adds Viral procs to the barrage.
  • 2 Tidal Surge — Dash as a wave — invulnerable travel and status cleanse. Tidal Impunity shares the cleanse.
  • 3 Plunder — Cash Deepened marks for armor and Corrosive damage. Rousing Plunder shares loot/buff fantasy with the squad.
  • 4 Tentacle Swarm — Kraken tentacles hold packs. Pilfering Swarm adds loot chance on tentacle kills.
  • Helminth over Tentacle Swarm (Roar / Nourish / Eclipse). Keep Plunder.

Mod breakdown

Strength / Duration

Plunder Corrosive and buff uptime.

Aura / Exilus

Archon shards

  • Strength
  • Duration
  • Casting Speed

Helminth

Replace Tentacle Swarm. Roar multiplies Plunder Corrosive guns.

Mission Usefulness

  • Steel Path Survival / Defense / Disruption

    Strong

    Plunder Corrosive + Helminth gun buff — Barrage optional.

  • Mobile Defense / Excavation

    Excellent

    Deepen, Plunder, shoot the point.

  • Exterminate / Capture Speed Runs

    Excellent

    Skip tentacle camping — shoot.

  • Spy / Rescue / Nightmare

    Weak

    Not stealth.

  • Open World / Bounties

    Strong

    Guns cover travel.

  • Long-Range Gunplay / Eidolon-Style Content

    Situational

    Plunder Corrosive helps gun hunts.