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Tether
Warframe · Mod

Tether

Railjack Battle Mod

Released Dec 13, 2019

Tether ensnares enemies and makes them more vulnerable to Railjack weaponry.

TypeRailjack (Battle, Slot 2)PolarityuniversalMax rank5Base drain0VariantStandardRarityUncommon
Tether GUIDE

Understand Tether

Useful when…

  • Ensnare enemies before attacking them with Railjack weapons.
  • Choose it for control and weapon vulnerability rather than a direct-damage effect.

Effect and use

Tether ensnares enemies and increases their vulnerability to Railjack weaponry. The supplied description does not quantify the vulnerability or specify duration, range, energy cost, or a cast condition, so those details cannot be inferred here.

Fit and rank investment

Tether is an Uncommon rank 5 Railjack Battle Mod for Slot 2, with universal polarity and base drain 0. The recorded rank descriptions at ranks 0, 3, and 5 repeat the same effect, without a numeric increase shown. The listed successive rank examples rise from 20 Endo and 966 Credits for the first step to 320 Endo and 15,456 Credits for the step from rank 4 to 5. Since the available effect text does not show rank gains, invest based on your Railjack mod progression needs rather than expecting a specific stronger ensnare.

wiki.warframe.com ↗

Alternatives by purpose

Particle Ram damages anything it touches while the Railjack moves forward; Shatter Burst delivers explosions over a large area. These are damage-oriented descriptions, while Tether’s supplied role is ensnaring enemies and increasing their vulnerability to Railjack weapons. Pick according to the listed effect you want from the Slot 2 choice.

Acquisition

The supplied locations include enemy drops such as Outriders and Gox units, plus caches in listed Earth and Venus Railjack nodes. The listed cache chance varies by location and rotation; these values are specific to those entries.

Limitations and tradeoffs

  • The effect description does not give numeric vulnerability, duration, or range.
  • Ranking has increasing listed fusion costs, but no stronger numeric effect is supplied.

Common mistakes to avoid

  • Treating Tether as a direct damage ability; its listed effect is ensnare and vulnerability.
  • Assuming rank increases the vulnerability or ensnare strength when no numeric rank change is stated.

Effects and reference details

Rank effects and investment

RankListed effectsUnpolarized drainTotal Endo from rank 0Total Credits from rank 0
0Ensnares enemies, increasing vulnerability to Railjack weaponry.000
1Ensnares enemies, increasing vulnerability to Railjack weaponry.120966
2Ensnares enemies, increasing vulnerability to Railjack weaponry.2602,898
3Ensnares enemies, increasing vulnerability to Railjack weaponry.31406,762
4Ensnares enemies, increasing vulnerability to Railjack weaponry.430014,490
5Ensnares enemies, increasing vulnerability to Railjack weaponry.562029,946

These are listed mod effects and fusion costs, not final build damage. Matching and mismatched polarities change capacity. Totals assume starting at rank 0.

References and version

Game data version: Pinned public export

Tether — WARFRAME Wiki ↗wiki.warframe.com ↗
Technical source data for verification

These machine-readable game records support the calculations and factual checks. The wiki references above are intended for reading.

Warframe Public Export ↗Raw game data (JSON) ↗wiki.warframe.com ↗

Original data record ↗

Optional: calculate an upgrade or configurationOpen the calculator when you want a cost estimate or a compatibility check.
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Fusion cost and capacity

0Endo
0Credits
0Target slot drain
RankObserved effectDrainEndo from 0Credits from 0
0Ensnares enemies, increasing vulnerability to Railjack weaponry.000
1Ensnares enemies, increasing vulnerability to Railjack weaponry.120966
2Ensnares enemies, increasing vulnerability to Railjack weaponry.2602,898
3Ensnares enemies, increasing vulnerability to Railjack weaponry.31406,762
4Ensnares enemies, increasing vulnerability to Railjack weaponry.430014,490
5Ensnares enemies, increasing vulnerability to Railjack weaponry.562029,946

Slot polarity changes drain; fusion prices depend on mod rarity and family.

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