Curative Undertow is a Hydroid Warframe Augment Mod that allows UndertowUndertow130xDark.png Undertow to heal HydroidHydroidIcon272.png Hydroid and his allies within range by a percentage of their max health every 1.5 seconds, draining additional energy for each ally in the pool.


Rank Effect Cost
0 15% 6
1 20% 7
2 25% 8
3 30% 9


  • This mod can be acquired by attaining the rank of Genius under Cephalon Suda, or the rank of Flawless under New Loka, and spending ReputationBlackx64.png 25,000 to purchase.


  • Heals all Warframes, Companions, Eidolon Lures, summoned allied units such as Specters, allied Invasion units, Hostages, Kavor Defectors, Sortie and Arbitrations Defense Operatives, and Defense Objects. Heals self by 10% of max health every 1.5 seconds.
    • Healing percentages are affected by Ability Strength mods.
    • On airborne allies, such as Sentinels and Eidolon Lures, they will only be healed when Undertow is cast above them in the air.
    • On Defense Objects, Curative Undertow restores up to 100 health per 1.5 seconds.
  • Each instance of healing for every wounded target will consume 5 energy from Hydroid.
  • Heals Hydroid and his Companion, along with normal and syndicate Specters. Note however, that the entity being healed must be touching the pool, meaning Cephalon Suda's Shield Osprey reward cannot be healed by the ability unless it is forced onto the ground long enough, which is extremely unlikely and rare to happen.
  • Cannot revive downed players.


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  • Grants Undertow a cosmetic mist effect affected by the Hydroid's energy color.


Patch History[]

Update 15.5 (2014-11-27)

  • Healing speed from Hydroid’s Curative Undertow Mod slowed. Also increased energy consumption from 2 to 5.

Update 15.0 (2014-10-24)

  • Introduced.