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Consumed in the fusion process to power up existing Mods. A single Legendary Core will instantly fuse a Mod to its maximum capacity without credit cost.
—In-Game Description

The Legendary Core is a special type of consumable Mod, which cannot be equipped, but instead can be used to maximize any single mod without Endo Endo and Credits Credits costs but will be consumed in the process. It is currently very rare, making it a highly valuable object to have.


Acquisition[]

  • Awarded from Sorties or Archon Hunt upon completion of the third mission, at a very low 0.18% chance.
  • Can be traded with other players (with a base tax of Credits64 1,000,000 per Core).
  • 1 is given for completing a Mastery Rank Legendary Rank Test.
  • Occasionally given away as an exclusive reward by Digital Extremes.

Drop Locations[]

Mission Drop Tables

Mission Type Source Rotations
or
Drop Table
Chance[1] Quantity[2] Avg. per roll[3] Star Chart Nodes
Archon Hunt Archon Hunt A 0.18% 1 0.0018

See in-game World State Window, must complete Veilbreaker quest

Sortie Sortie A 0.19% 1 0.0019

See in-game World State Window

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.

Notes[]

  • When trading, Legendary Cores are found in the Mods section.
    • Outside of a trade one can check how many Legendary Cores they have by opening their Mods collection (default: Esc  > EQUIPMENT > MODS) and selecting any single mod (below maximum rank) for fusion and the clicking on START FUSING INTO SELECTED MOD. The number of Cores will be displayed in top right corner of the game window above LEGENDARY CORE label.
  • The most efficient use of the Legendary Core is on rank 0 Primed or Umbra Mods, such as Mod TT 20px Primed Continuity, or Mod TT 20px Umbral Fiber, which would save 40,920 Endo Endo and 1.7m Credits Credits.

Trivia[]

  • Legendary Core is currently the only item in game that appears in Trading listing selection, but does not appear in any inventory listing selection (including Mod listing selection).
  • Legendary Core has two different context-dependent icons: one in Trading window and another in Mod window (but is not the only item with this feature - since Credits Credits and many common Resources also have multiple icons).
  • Before Update: The Silver Grove (2016-08-19) was deployed:
    • Legendary Core was stored in the form of a mod card, before converted into a Fusion resource.
    • Legendary Core was the first Legendary-tier mod ever distributed in the game. The next being primed mods offered by Baro Ki'Teer and Daily Tribute.
    • Legendary Core was the second mod with no fusion levels after Mod TT 20px Coolant Leak.
    • Legendary Core was the only mod that does not provide any mod value in the Mod storage total value.
  • Originally given out during Update 12.2 (2014-02-19) to all players who possessed a Mod TT 20px Steel Charge Aura mod that was rank 6 or higher as a compensation for the resources players have spent in ranking up Steel Charge, as the subsequent update changed the mod's rank from 10 to 5.

Media[]

Patch History[]

Update 18.0 (2015-12-03)

  • Added as a Sortie reward.

Hotfix 17.9.2 (2015-10-30)

  • Legendary Cores have been distributed to all players that have had the Affinity Amp Aura removed from their inventory.

Hotfix 17.4.1 (2015-09-10)

  • Fixed players being able to transmute Legendary Fusion Cores.

Hotfix 12.2.1 (2014-02-20)

  • Fixed Legendary Cores not fusing Mods to maximum level in some situations.
  • Fixed Legendary Cores being consumed by Auto Fusion.

Update 12.2 (2014-02-19)

Introduced
  • After a lot of observation and discussion, we realized we have to change the Steel Charge Aura back to a maximum of 5 ranks. The additional mod capacity set a new precedent and was just too much. At 10 ranks, Steel Charge allowed for some fun new builds, but it also meant that the additional slots would always have to be considered when balancing other mods and Auras.

The damage bonus from Steel Charge is not a problem and is very much intended, so the damage bonus at 5 ranks will be changed so that it as similar to the bonus at 10 ranks.
As compensation to all of you who worked hard to rank up a Steel Charge, anyone who has a Steel Charge above rank 5 will receive two Legendary Cores, the first of their kind. These Legendary Cores instantly max any mod with 0 credit cost.

Summary:
  • Maximum rank reduced to 5 (down from 10)
  • Melee damage bonus remains similar.
  • Players who have a rank 6, 7, 8, 9, or 10 Steel Charge will receive 2 Legendary Cores.

Last updated: Hotfix 25.7.5 (2019-09-09)

See also[]

  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)
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