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"The king's reach is weaker here in the Undercroft. On the surface, I suspect this Warframe would be a liability, attracting his every wyrm. But here, you can roam free and revel in its power."
—Teshin

The Undercroft is a sub-realm located in Duviri, which can only be accessed by traveling through an Undercroft Portal.

The Undercroft is primarily featured in The Circuit.

Lore[]

The veil between the world of the Sol System and the kingdom of Duviri is thin. Thinner still in the Undercroft, where our reality and Dominus Thrax's imagination collide. The Undercroft is a sub-realm of Duviri, that is located closer to the deep core of the Void,[1] and in turn, is less protected from its influence. It is only accessible via portals, which are strictly controlled by the Dominus.[2] Its link with the Paradox means that Undercroft's effects can be felt both in Duviri as well as the Origin System, located on the other side of the Wall: fighting against the enemies that wander the Undercroft can undo and prevent defeats suffered by the Tenno in the past,[3] by ensuring that the opposing enemies never existed.[4]

The Undercroft is a subrealm of duviri, seething with memories of what happened or will happen,[5][6] as well as with the nightmares of Dominus Thrax.[7][8] Due to this, Teshin encourages the Drifter to use it as a training ground,[9] and also as a way to repay the Tenno for helping them via the Paradox.[10] Whoever controls the Undercroft, controls Duviri,[11] which may be why Thrax is able to so easily influence it with his emotions.[12] However, Thrax's influence is generally weaker within the Undercroft, as he is unable to fully sense the Drifter's activities or reset time in a way that would affect them[13].

Thrax himself is said to be afraid of the Undercroft, which may be why the portals leading to it are heavily guarded. Additionally, Sythel states that Undercroft is located too close to a mysterious entity,[14] while Lodun attempts to send troops down into it in an attempt to stabilize it.[15] Virtually everyone agrees that the Undercroft is a chaotic region filled with hostile entities.

Overview[]

UndercroftDuviriPortal

An Undercroft Portal

The Undercroft is a Warframe and Operator/Drifter only section of Duviri where you have use of your chosen Warframe and Weapons from Teshin's Cave.

Upon entering a Portal, your task is to use the tools granted to you in Teshin's Cave to survive the onslaught.

Available mission types:

Trivia[]

  • An undercroft is the crypt of a church.
  • Numerous scenes can be purchased for use in Captura mode.

Gallery[]

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