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Tether Grenades
Warframe · Mod

Tether Grenades

Penta augment mod

Released Mar 4, 2016

Tether Grenades make Penta grenades tether nearby enemies, scaling from two enemies within 4 m at rank 0 to five within 9 m at rank 5. Consider it when you want grenade impacts to gather multiple targets; it cannot be equipped with Napalm Grenades.

TypePentaPolaritynaramonMax rank5Base drain2VariantStandardRarityRare
Tether Grenades GUIDE

Understand Tether Grenades

Useful when…

  • Tether groups of nearby enemies with Penta grenades.
  • Use the higher ranks when the wider reach and five-target limit suit your crowd-control needs.

Effect and rank scaling

At rank 0, a grenade tethers up to 2 enemies from 4 m away. Rank 3 raises that to 4 enemies from 7 m, and rank 5 reaches up to 5 enemies from 9 m. The description does not specify tether duration or damage, so the mod should be understood as a tethering effect rather than a damage bonus.

wiki.warframe.com ↗

Fit and investment

This Rare Penta mod uses an Exilus slot, has Naramon polarity, and starts at base drain 2. The rank examples show rising costs: 30 Endo and 1,449 Credits for the first step, 120 Endo and 5,796 Credits from rank 2 to 3, and 480 Endo and 23,184 Credits from rank 4 to 5. The main listed benefit of ranking is more tethered enemies and greater reach.

wiki.warframe.com ↗

Compatibility and alternative effect

Tether Grenades explicitly cannot be equipped with Napalm Grenades. Napalm Grenades are described as leaving a burning patch on impact, a different grenade effect.

Acquisition

The supplied drop list names several Corpus arena enemies, including 002-Er, Armis Ulta, and Auditor. Each listed enemy entry gives a 1.25% chance; those figures describe the provided entries and do not establish availability beyond them.

Limitations and tradeoffs

  • Consumes the Penta’s Exilus slot.
  • Cannot be equipped with Napalm Grenades.

Common mistakes to avoid

  • Expecting a damage or burning effect from Tether Grenades; the listed effect is tethering.
  • Attempting to equip it with Napalm Grenades.

Effects and reference details

Rank effects and investment

RankListed effectsUnpolarized drainTotal Endo from rank 0Total Credits from rank 0
0Grenades tether up to 2 enemies from 4m away.200
1Grenades tether up to 3 enemies from 5m away.3301,449
2Grenades tether up to 3 enemies from 6m away.4904,347
3Grenades tether up to 4 enemies from 7m away.521010,143
4Grenades tether up to 4 enemies from 8m away.645021,735
5Grenades tether up to 5 enemies from 9m away.793044,919

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 Grenades — 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.

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

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
2Target slot drain
RankObserved effectDrainEndo from 0Credits from 0
0Grenades tether up to 2 enemies from 4m away.200
1Grenades tether up to 3 enemies from 5m away.3301,449
2Grenades tether up to 3 enemies from 6m away.4904,347
3Grenades tether up to 4 enemies from 7m away.521010,143
4Grenades tether up to 4 enemies from 8m away.645021,735
5Grenades tether up to 5 enemies from 9m away.793044,919

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

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