Fleeting Expertise increases Ability Efficiency but reduces Ability Duration of Warframe abilities.

Stats[edit | edit source]

Rank Ability Efficiency Ability Duration Cost
0 +10% -10% 6
1 +20% -20% 7
2 +30% -30% 8
3 +40% -40% 9
4 +50% -50% 10
5 +60% -60% 11
Energy Cost Unranked
(+10%)
Rank 1
(+20%)
Rank 2
(+30%)
Rank 3
(+40%)
Rank 4
(+50%)
Rank 5
(+60%)
100 90 80 70 60 50 40
75 67.5 60 52.5 45 37.5 30
50 45 40 35 30 25 20
35 31.5 28 24.5 21 17.5 14
25 22.5 20 17.5 15 12.5 10
10 9 8 7 6 5 4

Notes[edit | edit source]

  • The cost of abilities or their drains can not be less than 25% of their original value. Because of this, Ability Efficiency has an indirect cap of +75%.
    • This means that if combined with a maxed Mod TT 20px.png Streamline, any Fleeting Expertise rank above four lowers overall duration without increasing efficiency.
    • If your total Duration is below 100%, the excess efficiency above 175% will still count towards abilities that drain energy over time.
  • Abilities that drain energy over time (such as Immolation130xDark.png Immolation or Peacemaker130xDark.png Peacemaker) will have varying benefits from this mod depending on the amount of Duration Mods you equip.
    • Duration mods on these abilities affect the actual length of one second of energy drain.

Tips[edit | edit source]

  • Benefits abilities that are not affected by duration the most. Thus, it is recommended to equip this mod on Warframes or builds that are not heavily reliant on Ability Duration (such as MagIcon272.png Mag or a Desecrate130xDark.png Desecrate-oriented build for NekrosIcon272.png Nekros).
  • A combination of Mod TT 20px.png Continuity and Mod TT 20px.png Constitution can almost completely negate the Ability Duration penalty of this mod.
    • Also, if using a fully ranked Mod TT 20px.png Primed Continuity, Ability Duration is only affected by a very small amount of 5%, versus a 2% affect of Mod TT 20px.png Continuity and Mod TT 20px.png Constitution, but with the advantage of only costing one mod slot and using less mod space.

Gallery[edit | edit source]

Patch History[edit | edit source]

Update 10.3

  • Introduced.

See Also[edit | edit source]

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