Empyrean Resources

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Common

Cubic Diodes

Vital components used in the creation of Corpus photon-networks.

A common resource found in Empyrean missions and also as a drop from Eximus enemies in the Corpus Ice Planet tileset (primarily on Europa). Cubic Diodes are used to build the Railjack in the Rising Tide quest and are also used in constructing Railjack ship components and repairing wreckage, typically in large quantities, as well as the Protea neuroptics component. Early in Empyrean development, Cubic Diodes were known simply as Cubics1. Cubic Diodes can be fed to the Helminth to secrete Calx.


Carbides

Resilient components used to reinforce the plated sheet metal strapped to Grineer ships.

A common resource found in Empyrean missions and also as a drop from Eximus enemies in the Grineer Shipyard tileset (primarily on Ceres). Carbides are used to build the Railjack in the Rising Tide quest and are also used in constructing Railjack ship components and repairing wreckage, typically in large quantities, as well as a small number of other items. Carbides are also used to replenish stores of Revolite, Hull Restore, and Munitions during Empyrean missions. Carbides can be fed to the Helminth to secrete Oxides.


Titanium

This highly malleable metal was exploited in great quantities by the Orokin and can now only be found within space rock.

A common resource found in Empyrean missions. Titanium is used in constructing Railjack ship components and repairing wreckage, typically in massive quantities, as well as a small number of other items. Titanium is also used to replenish stores of energy, Hull Restores, and Dome Charges during Empyrean missions. Earlier in Empyrean development, Titanium would have been spent to "reinforce" the Railjack's main components2, providing stat bonuses for a certain number of missions, but this mechanic was scrapped before Empyrean launched. Titanium can be fed to the Helminth to secrete Oxides.


Ticor Plate

High-density alloy armour plating used in the construction of offensive spacecraft.

A common resource found in Empyrean missions. Ticor Plate is used in constructing Railjack Plating components. Ticor Plate is also used to replenish stores of Revolite, energy, Munitions, and Dome Charges during Empyrean missions. Ticor Plate can be fed to the Helminth to secrete Bile.


Pustrels

A parasitic growth often found growing in mineral deposits.

A common resource found in Empyrean missions and also as a drop from Eximus enemies in the Infested Ship tileset (primarily on Eris). Pustrels were used to build the Railjack in the Rising Tide quest and were also used in constructing Railjack ship components and repairing wreckage, typically in large quantities. Pustrels were also used to replenish stores of Revolite and Dome Charges during Empyrean missions. Pustrels were removed from the game in Update 29.10 in order to streamline Empyrean gameplay. Any Pustrels in Tenno inventories were allowed to remain, but they no longer drop as a resource and are no longer required for any purpose. Prior to Update 28, Pustrels were mined from red mineral veins on the Plains of Eidolon, instead of dropping from Eximus enemies.


Copernics

A cell of encapsulated Void energy.

A common resource found in Empyrean missions and also as a drop from Eximus enemies in the Orokin Moon tileset (on Lua). Copernics were used to build the Railjack in the Rising Tide quest and were also used in constructing Railjack ship components and repairing wreckage, typically in large quantities. Copernics were also used to replenish stores of Flux Energy and Munitions during Empyrean missions. Copernics were removed from the game in Update 29.10 in order to streamline Empyrean gameplay. Any Copernics in Tenno inventories were allowed to remain, but they no longer drop as a resource and are no longer required for any purpose. Prior to Update 28, Pustrels were mined from red mineral veins on the Orb Vallis, instead of dropping from Eximus enemies.


Uncommon

Asterite

Formed over billions of years, these crystals are most often found embedded in space rock.

An uncommon resource found in Empyrean missions. Asterite is used in constructing Railjack ship components and repairing wreckage, as well as the Sevagoth systems component. Asterite can be fed to the Helminth to secrete Calx.


Isos

A self-replicating fluid composed of nanoproxies capable of independently repairing worn and damaged systems.

An uncommon resource found in Empyrean missions, primarily in Earth Proxima. Isos are used in constructing Railjack ship components and repairing wreckage, as well as a small number of other items. The icon has Corpus text on the top and bottom that reads "ISOS". Isos can be fed to the Helminth to secrete Bile.


Gallos Rods

Antimatter fuel cell that powers the Grineer ships.

An uncommon resource found in Empyrean missions, primarily in Saturn Proxima. Gallos Rods are used in constructing Railjack ship components and repairing wreckage, as well as a small number of other items. Early in Empyrean development, Gallos Rods were known simply as Gallos3. Gallos Rods can be fed to the Helminth to secrete Calx.


Kesslers

Orokin devices used for navigating the solar winds.

An uncommon resource found in Empyrean missions, primarily in Saturn Proxima. Kesslers were used in constructing Railjack ship components and repairing wreckage. Kesslers were removed from the game in Update 29.10 in order to streamline Empyrean gameplay. Any Kesslers in Tenno inventories were allowed to remain, but they no longer drop as a resource and are no longer required for any purpose.


Trachons

An organ found on Infested ships, believed to facilitate communication within the Infested hive mind.

An uncommon resource found in Empyrean missions, primarily in Veil Proxima. Trachons were used in constructing Railjack ship components and repairing wreckage. Trachons were removed from the game in Update 29.10 in order to streamline Empyrean gameplay. Any Trachons in Tenno inventories were allowed to remain, but they no longer drop as a resource and are no longer required for any purpose.


Rare

Aucrux Capacitors

Once installed, these delicate power systems fuse with a Corpus Obelisk's engines. Unused capacitors are therefore highly prized.

A rare resource found in Empyrean missions, primarily in Earth Proxima. Aucrux capacitors are used in constructing Railjack ship components and repairing wreckage, as well as a small number of other items. Aucrux Capacitors can be fed to the Helminth to secrete Synthetics.


Nullstones

Nullstones do not conform to several laws of physics, making them highly prized for optimising sensitive components.

A rare resource found in Empyrean missions, primarily in Earth Proxima. Nullstones are used in constructing Railjack ship components and repairing wreckage, as well as a small number of other items. Nullstones can be fed to the Helminth to secrete Calx.


Komms

A component used in secure Grineer communication networks.

A rare resource found in Empyrean missions, primarily in Saturn Proxima. Komms are used in constructing Railjack ship components and repairing wreckage, as well as a small number of other items. Komms can be fed to the Helminth to secrete Synthetics.


Bracoid

A rare bacterial entity that increases the spread of Infestation found on Infested ships.

A rare resource found in Empyrean missions, primarily in Veil Proxima. Bracoids are used in constructing Railjack ship components and repairing wreckage. Bracoids were removed from the game in Update 29.10 in order to streamline Empyrean gameplay. Any Bracoids in Tenno inventories were allowed to remain, but they no longer drop as a resource and are no longer required for any purpose.


Fresnels

A rare Orokin material used to create a tear in space and allow safe passage through the Void.

A rare resource found in Empyrean missions, primarily in Veil Proxima. Fresnels are used in constructing Railjack ship components and repairing wreckage. Fresnels were removed from the game in Update 29.10 in order to streamline Empyrean gameplay. Any Fresnels in Tenno inventories were allowed to remain, but they no longer drop as a resource and are no longer required for any purpose.


Special

Corrupted Holokey

A corrupted decryption key dating back to the founding of the city of Corposium. Millions of these Holokeys were lost to the Void when Parvos Granum's flagship was bombed. Strongly desired by Ergo Glast.

A special resource rewarded from Empyrean Void Storm missions. Used to purchase Tenet melee weapons from Ergo Glast for 40 Corrupted Holokeys each.


Anomaly Shard

A shard ripped from a Sentient Anomaly in the Veil Proxima. Little Duck is known to trade these for exotic goods somewhere in Fortuna.

A special resource obtained by completing Anomaly objectives in Veil Proxima. Anomaly shards can be traded to Little Duck in Fortuna in return for the Tenebrous Ephemera and Sentient Anomaly Captura scenes. Anomaly shards are also used to craft Caliban and his Venato scythe.


Dirac

Consumed to upgrade Railjack grid and avionics.

A special resource found in Empyrean missions and also obtained by scrapping wreckage and avionics. Dirac is used to upgrade the Railjack avionic grid, as well as individual avionics. Dirac was removed from the game in Update 29.10 in order to streamline Empyrean gameplay. All Dirac in Tenno inventories was converted to Endo, all Dirac invested in the avionic grid was returned as Endo, the avionic grid was replaced with the Plexus, and all avionics were converted to mods.


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  1. As seen in the 2019 TennoCon demo.
  2. As seen in the 2019 TennoCon demo.
  3. As seen in the 2019 TennoCon demo.

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