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Liquid Theory of Seithr

From BlazBlue Wiki

The Liquid Theory of Seithr (魔素流体理論まそりゅうたいりろん) is a theory created by Litchi Faye-Ling. Its premise has garnered the admiration and applause of both Kokonoe and Relius Clover.


During Litchi's tenure at Sector Seven, her research primarily focused on seithr and the Boundary. It was around this time that she developed the liquid theory of seithr, which details solidifying seithr and then sealing it. In theory, it can lead to the creation of an Azure Grimoire or even a Black Beast, but it is near impossible to demonstrate in reality. The reason for this is that an extremely powerful Observer is required for the solidification.[1] Relius had Litchi work further on the theory while she was briefly with the Novus Orbis Librarium.

This theory also makes it possible to create human bodies from seithr, similar to the Boundary Interface Prime Field Devices.

Official Descriptions

BlazBlue: Central Fiction Library Entry

Liquid Theory of Seithr

One of the theories on how to compress Seithr to its utmost limit. It was researched by Litchi when she worked at Sector Seven. The general notion is very similar to the smelting of the cores of Phenomena Weapons.[2]


  1. BlazBlue: Chrono Phantasma, Story Mode, Sector Seven, Episode 7: Looming Darkness
  2. BlazBlue: Central Fiction, Library Mode, Item #015