Covert Lethality is a mod that increases the base combo count of single daggers and deals double damage on finishers.

It can be used on the following weapons:


Rank Initial Combo Finisher Damage Cost
0 +4 25% 10
1 +8 50% 11
2 +12 75% 12
3 +16 +100% 13

Drop Locations[]

Mission Drop Tables

Mission Type Source Rotations
Drop Table
Chance[1] Quantity[2] Avg. per roll[3] Star Chart Nodes
Spy Tier 3 Spy C 7.04% 1 0.0704
Spy Kuva Fortress Spy B 10% 1 0.1
The Circuit Tier 4 The Circuit (Normal) A 1.49% 1 0.0149

Accessed through Duviri's The Circuit gamemode

The Circuit Tier 6 The Circuit (Normal) A 1.03% 1 0.0103

Accessed through Duviri's The Circuit gamemode

Enemy Drop Tables

Enemy Drop Table Chance[4] Item Chance[5] Chance[6] Expected Kills[7] Quantity[8] Avg. per roll attempt[9]

Sourced from the official drop table repository. See Module:DropTables/data to edit on the wiki.


  • Stacks with Mod TT 20px Finishing Touch for +160% bonus finisher damage.
  • The "Initial Combo" bonus provided by this mod adds a flat number to the combo counter. When the combo counter is reset, either by using a heavy attack or through combo counter decay, it will reset to a minimum of this number.
  • Aside from Stealth attacks, the following Warframe abilities can also leave enemies vulnerable to melee finishers, regardless if the finisher is performed in front or behind the enemy;



  • Prior to Update 26.0 (2019-10-31), the mod possessed a unique mechanic called Lethal Damage, which refers to the ability to instantly kill an enemy upon performing a finisher attack regardless of their level or defenses.


Patch History[]

Update 26.0 (2019-10-31)

  • Now gives +16 Initial Combo and 100% Finisher damage (previously +100 damage on melee attacks or lethal damage on finishers).

Hotfix 17.0.4 (2015-08-06)

  • Fixed an incorrect description on the Covert Lethality Mod to properly describe damage bonus.

Update 17.0 (2015-07-31)

  • Introduced.
  1. Chance to roll item within drop table
  2. Amount rewarded on successful roll
  3. (Quantity × Chance)
  4. Chance to roll drop table
  5. Chance to roll item within drop table
  6. (Drop Table Chance × Item Chance)
  7. (1 / Chance), see WARFRAME Wiki:Expected & Nearly Guaranteed Numbers for more details
  8. Amount rewarded on successful roll
  9. (Quantity × Chance), average item quantity on a roll attempt (successful or not)