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Patch History
Preceded by
Avionics since Update 29.10 (2021-03-19)

The Plexus allows you to use your Railjack mod selection with any Railjack you crew upon.

Plexus Mods can be found in Railjack missions. Integrated Mods apply to you on any Railjack! Aura Mods impact the whole squad! Battle Mods determine which Railjack Abilities you can use on a Railjack. Tactical Mods determine which Railjack Abilities you can use in the Tactical Menu.
—Upon first interacting with the Plexus

The Plexus is a modular item that modifies the player's personal (and NPC Crew) performance in Railjack. It is the Warframe equivalent of modding for Railjack.


The Plexus is acquired after completion of The Archwing and comes with a pre-installed Orokin Reactor as well as Vazarin Pol.svg, Madurai Pol.svg, and Naramon Pol.svg polarities. It can be ranked up during Railjack missions up to Rank 30, providing 200 Mastery Rank experience per rank up to 6,000 in total, and can be given Forma and Aura Forma. The Plexus can be configured in the front of the Orbiter between the Navigation and Syndicate segments, or from Dry Docks in Relays and Clan Dojos.

Railjack-exclusive mods are divided into three types: Integrated, Battle, Tactical. There are 9 Integrated slots, eight normal and one aura, and have a modding capacity. Battle and Tactical mods do not use capacity, but are further divided into Defensive, Offensive, and Super types, of which players can only slot in one of each.

The Plexus is personal to the user; this allows each individual in a squad to have different configurations and abilities that will only apply to themselves. For example, Mod TT 20px.png Hyperstrike only affects the user's own turret damage and not the rest of the squad's.

When playing with NPC crew members, they will all equip an exact copy of the host's Plexus loadout, including the Plexus Aura mod. However, crew members will not use Battle or Tactical abilities.


Integrated mods provide passive bonuses to the player/crew member. Aura mods provide bonuses to the entire team and/or Railjack.


Battle mods provide powerful abilities that are used similarly to Warframe abilities (default 1  for Defensive, default 2  for Offensive, and default 3  for Super). They consume the Warframe's own energy to use (shields in HildrynIcon272.png Hildryn's case and cooldowns in LavosIcon272.png Lavos's case). Like Warframes, the Railjack possesses an Ability Strength, Ability Duration, and Ability Range stat to enhance Battle abilities which can be increased with the Railjack's Reactor, but are unaffected by Warframe ability enhancement mods.

Defensive Abilities cost 50 energy, Offensive cost 100, and Super cost 200 (with Mod TT 20px.png Countermeasures and Mod TT 20px.png Phoenix Blaze being exceptions to the rule). HildrynIcon272.png Hildryn's shield costs are 10 times the default. LavosIcon272.png Lavos's cooldowns are 10 seconds each, and cannot be reduced in any way. An ability's energy cost will double after initial use, which will return to normal values after 5 seconds. Energy cost is affected by Intrinsics Tactical Rank 6 and Mod TT 20px.png Onslaught Matrix, but not Warframe Ability Efficiency mods such as Mod TT 20px.png Streamline or Mod TT 20px.png Blind Rage. Energy generation such as Mod TT 20px.png Energy Siphon, Squad Energy Restores, and Energy Orbs will still function while in the pilot/gunner seat.

As ability cost is tied to Warframe energy, Warframes with high base energy and modded with Mod TT 20px.png Flow and/or Mod TT 20px.png Preparation will ensure a good amount of starting energy to cast Battle abilities. Note that Preparation does not refresh when transitioning between missions.


Tactical mods provide special abilities that are used from the Tactical Menu. They do not consume resources to use, instead having cooldowns.

Patch History[]

Hotfix 31.5.5 (2022-05-03)

  • Fixed the Plexus opened from the Orbiter not maintaining the mod equipped in the 8th slot after closing and re-opening screen.

Hotfix 30.2.1 (2021-05-13)

  • Fixed a script error when viewing the Plexus.

Hotfix 29.10.7 (2021-03-26)

  • Fixed inability to Mod your Plexus until you own a Railjack.
    • The intended flow here is when you complete The Archwing Quest and are awarded your Plexus, you can Mod it and join others on their Railjack missions to help out until you get yourself a Railjack. You’ll now be able to Mod it, but won't be able to see Railjack stats unless you actually own one, as the Plexus doesn’t have any Railjack data to pull from yet.
  • Fixed attempting to search for a Mod in the Plexus by using the Left Stick on a controller not activating the search bar.

Update 29.10 (2021-03-19)

  • Introduced.