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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 Umbra, Exalted Umbra Blade, and the Skiajati. It is not possible to (re-)add an Umbra Pol polarity to a mod slot, so it's advised not to overwrite a pre-existing one.

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