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Eternal War is a Warframe Augment Mod for ValkyrIcon272.png Valkyr that extends Warcry130xDark.png Warcry's duration for each melee kill.


Rank Duration bonus Cost
0 1.25 6
1 1.5 7
2 1.75 8
3 2 9



  • The duration increase per enemy killed is affected by Ability Duration.
  • Kills extend the active duration of Warcry up to a maximum of double the ability's duration after mods.
  • Kills also extend Warcry's duration for allies.
    • Only melee kills made by the caster will extend the duration.
    • Kills with Hysterical Assault's leap do not count as melee kills.
  • Warcry will persist on allies as long as it persists on Valkyr. This means allies can enter Nullifier Crewman bubbles and fall off the map without losing the buff, but if Valkyr does either of those, everyone will lose the buff.


  • One can cast Warcry on their squad at the beginning of a mission, which can then be maintained for the entire mission with Eternal War by rapidly melee-killing enemies, allowing the team to benefit from Warcry while keeping energy expenditure low. This is easiest to do in endless mode missions like Survival, Defense, and Interception. Care should be taken around Nullifier Crewmen and tilesets where one can easily fall off the map, as either will end Warcry prematurely.


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  • The effect of Warcry may end even when there is still time left on the ability, forcing the player to avoid getting melee kills to recast the ability.


  • After maximization, the highest attainable duration for Warcry is 45.9 seconds, meaning Eternal War can never raise its duration past 91.8 second


Patch History[]

Hotfix: Specters of the Rail 2.3 (2016-08-12)

  • Fixed Eternal War not working as intended once deactivating Hysteria.

Hotfix: Specters of the Rail 0.1 (2016-07-08)

  • Fixed an issue with Eternal War not properly increasing the duration of the buff and also preventing you from recasting.

Update 17.0 (2015-07-31)

  • Fixed Warcry stacking multiple times on Squad members when Eternal War Augment is equipped.

Update 16.2 (2015-04-01)

  • Introduced.
Last updated: Hotfix 23.1.3 (2018-07-26)