The Rose Codex is a special book, of which only 3 copies are known to exist though the whereabouts of all but one are unknown. One copy is known to reside within The Vault for Vident Obscura, it was found on Soteria during the initial explorations of the surface while Nysa was under construction. The location and other artifacts surrounding the book indicate that it was previously in the possession of a military organization similar to that of religious fighting groups in the medieval era on Earth, called the Souls Templar.
Contents
The book itself contains all the symbols and instructions on their use for the navigation of the Verum Transitus, it even contains the runes requires to create an entry point to the Transitus or Crossroads.