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Umbral Fiber is the Umbra variant of Steel Fiber, increasing a Warframe's armor and damage resistance to Sentients.

StatsEdit

Rank Effect (Rank 1) Effect (Rank 2) Effect (Rank 3) Tau Resist (Rank 1) Tau Resist (Rank 2) Tau Resist (Rank 3) Cost
0 +10% +12.5% +17.5% +1% +1.25% +1.75% 6
1 +20% +25% +35% +2% +2.5% +3.5% 7
2 +30% +37.5% +52.5% +3% +3.75% +5.25% 8
3 +40% +50% +70% +4% +5% +7% 9
4 +50% +62.5% +87.5% +5% +6.25% +8.75% 10
5 +60% +75% +105% +6% +7.5% +10.5% 11
6 +70% +87.5% +122.5% +7% +8.75% +12.25% 12
7 +80% +100% +140% +8% +10% +14% 13
8 +90% +112.5% +157.5% +9% +11.25% +15.75% 14
9 +100% +125% +175% +10% +12.5% +17.5% 15
10 +110% +137.5% +192.5% +11% +13.75% +19.25% 16

NotesEdit

  • This mod is given at the penultimate mission of The Sacrifice, automatically ranked to level 5.
  • Umbral Fiber is essentially the Steel Fiber mod with Legendary rarity. It is considered the same mod as its Common counterpart, and thus both mods cannot be equipped together.
  • The set bonus for Umbral Fiber increases the armor given by the mod by 25% of mod's value when using 2 set pieces and 75% when using 3. At max rank with full set bonus, Umbral Fiber grants an armor increase of 192.5%, and increases Sentient damage resistance by 19.25%.
    • Resistance values in the above stat table are calculated based on set bonus values, displayed values are rounded to the first decimal place ingame.
  • This mod outperforms Steel Fiber from rank 8 when using 2 set pieces and from rank 6 when using 3.
  • Umbra mods have a unique Umbra Pol polarity, whose matching polarity can currently only be found on Excalibur UmbraIcon272 Excalibur Umbra, Exalted Umbra Blade, and the Skiajati Skiajati. It is possible with an Umbra Forma to (re-)add an Umbra Pol polarity to a mod slot.

Patch HistoryEdit

Update 23.2
  • Fixed Mod sets (Umbral, etc) not updating all values when equipping/unequipping Mods.

Hotfix 23.0.1

  • Mod is now link-able in chat. (Undocumented)

Update 23.0

  • Introduced along with The Sacrifice quest.

Last updated: Hotfix 23.0.1

See alsoEdit