Threshold crests are cerulean blue stones that allow a city to Plane Shift.[1]

Properties

Threshold crests are magical artifacts that operate in conjunction with each other to transport everything within their triangulated area across the planes.[2] They do not open portals or doorways that people or objects can pass through, but must be ritualistically bound to a location and then can transport it.[3]

History

Background

The Campaign of Vox Machina

Threshold crests were first mentioned when Vox Machina entered the city of Syngorn while it was within the Feywild. As they approached the sealed city gates in the outer wall, they noticed they each bore a massive emblem of a crescent moon flanked by two trees over a deep cerulean stone about two feet across.[4] The twins identified them as the threshold crests, the enchanted crests that enabled the city to travel back and forth between the Feywild and the Prime Material Plane.[5] Artagan (as Garmelie the satyr) tasked Vox Machina to procure him a piece of a threshold crest as the price for his aid in escorting the party to the Shademurk Bog.[6] The party skirted this requirement by giving Artagan a piece of the threshold of their room from which Keyleth had used Stone Shape to cut out a crest.[7]

The party noticed another threshold crest within the city of Thar Amphala. It was a deep cerulean blue gemstone, about two feet across, embedded within the wall,[8] and was very similar in size, installation, and functional placement as the threshold crests adorning the exterior of Syngorn.[9]

Campaign Two: The Mighty Nein

While pursuing the Tombtakers across the island of Foren in Eiselcross, the Mighty Nein encountered an extremely large threshold crest within the Aeorian ruins referred to as "A5". The chamber it was found in was lit by bright blue light from the gem (roughly one-and-a-half to two feet wide) in the center of the ceiling thirty feet above.[10] Caleb detected a strong aspect of teleportation magic in the room, and the gem had a very strong aura of conjuration.[11] He was able to identify that the crystal was part of the largest threshold crest he'd ever seen, and that it would take multiple crests to Plane Shift a city.[12] The Tombtakers chiseled out the crystal and took it with them when they left.[13]

The Mighty Nein found another crest in the ruins of A2 and took it with them.[14][15] They later lost it when the Tombtakers stole their Bag of Holding, but in turn recovered the one the Tombtakers had previously found.[16] Essek Thelyss explained to the Mighty Nein that if the Tombtakers intended to use crests to transport the Cognouza from the Astral Sea back to the Prime Material Plane, they would have to use some other means of taking it there first.[17]

References

  1. See "The Feywild" (1x59) at 2:57:20.
  2. See "The Tortoise and The Dare" (2x117) at 1:08:16.
  3. See "A Walk to Warmer Welcomes" (2x124) at 3:06:19.
  4. See Matt's DM notes for the Feywild.
  5. See "The Feywild" (1x59) at 2:56:13.
  6. See "Heredity and Hats" (1x60) at 1:10:39.
  7. See "Heredity and Hats" (1x60) at 2:11:05.
  8. See "Race to the Tower" (1x102) at 0:50:27.
  9. See "Race to the Tower" (1x102) at 0:51:55.
  10. See "The Tortoise and The Dare" (2x117) at 15:08.
  11. See "The Tortoise and The Dare" (2x117) at 36:05.
  12. See "The Tortoise and The Dare" (2x117) at 1:03:42.
  13. See "The Tortoise and The Dare" (2x117) at 42:18.
  14. See "Malice and Mystery Below" (2x119) at 3:25:51.
  15. See "Contentious Company" (2x120) at 1:22:24.
  16. See "A Walk to Warmer Welcomes" (2x124) at 0:09:54.  Matt confirms in his summary that a threshold crest was within the Bag of Holding the party recovered from the Tombtakers.
  17. See "A Walk to Warmer Welcomes" (2x124) at 3:06:19.

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