Cryptum
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Cryptums, or Warrior Keeps, were powerful objects created by the Prometheans. The nature of a Cryptum was unknown to most Forerunners, including Bornstellar Makes Eternal Lasting. However, he was aware that the violation of a Cryptum invoked dire consequences, one of which was angering the powerful Prometheans.[1]
List of appearances
- Halo: Cryptum (First appearance)
Sources
- ^ Halo: Cryptum, chapter two
