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The Fortress of Solitude is the former secret base of operations for Val-El's scientific research. It is located not far from Kandor City.


After the Kryptonian council shut down Val-El's research on life outside of Krypton, he moved his work to the Fortress of Solitude. There, he learnt of Brainiac, the Collector of Worlds. He was, however, killed for this alleged treason.[1]

Fourteen years later, Seg-El was taken to the Fortress by Charys-El, where he used a sunstone to enter.[1] Seg returned, using his blood to unlock a hologram of his grandfather, discussing his knowledge of Brainiac.[2]


Season 1[]

Season 2[]




  1. 1.0 1.1 Goldberg, Ian, Goyer, David S. (writers), Donnelly, Ciaran & McCarthy, Colm (directors) (March 21, 2018). "Pilot". Krypton. Season 1. Episode 1. Syfy.
  2. Welsh, Cameron (writer) & Donnelly, Ciaran (director) (March 28, 2018). "House of El". Krypton. Season 1. Episode 2. Syfy.