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For Fass (Requiem Mod), see Requiem Mods.
For Deimos creature, see Fass (Deimos).

A chunk of the wyrm Fass, collected after his explosive death. Used to attract Glutinox, Ostimyr, and Vitreospina.
—In-game description

Fass Residue is a fishing bait for fish of the Cambion Drift, used to attract Glutinox, Ostimyr, and Vitreospina.


After Vome kills Fass to begin the Vome cycle on the Cambion Drift, small zones of orange energy will appear in various locations. Entering a zone will cover the edges of the screen in orange sludge. Multiple deposits of Fass Residue will spawn inside each zone and can be destroyed to acquire 1 Fass Residue each.

Note that if one stays in the Cambion Drift for long enough, there may be Fass Residue on the map even though Fass is active.

Blueprints Requiring Fass Residue[]

Click to view the Blueprints requiring Fass Residue}
Blueprint Type Quantity
Desus Antigen Component 6
Elasmun Antigen Component 6
Ibexan Antigen Component 6
Iranon Antigen Component 6
Plagen Antigen Component 6
Poxi Antigen Component 6
Tethron Antigen Component 6
Virox Antigen Component 6
Total 48

Last updated: Hotfix 29.9.1 (2021-02-24)


  • Amount yielded is not affected by Resource Boosters or Mod TT 20px.png Charm.
  • Resource deposits are not marked (e.g. Mod TT 20px.png Thief's Wit).
  • 6-12 Wyrm Residue, depending on squad size, (either Fass Residue or VomeResidue.png Vome Residue) are needed to activate the bait machine in the first stage of the Isolation Vault bounty. Existing Residue will despawn, and new Residue will respawn for the players to collect.
  • They can be traded at Father in exchange for Father Tokens in quantities of 6 to 12. Curiously, Father will never ask for Residue in Token bundles that reward two or fewer tokens.

See also[]