(Unknowable) Silent Watcher Rujevit

Lore
The curious and the bold have long sought to reveal the enigma of Rujevit. However, none have learned the truth and returned from the encounter alive.

Acquisition
See Silent Watcher Rujevit

Name origin
?

Additional Info

 * Adds 100% ATK/DEF boost to the Assault Deck in the Cryptid Assault XXXVIII regardless of Level or Skill Level.
 * Two evolved versions give a 200% ATK/DEF boost.