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AC3 Temple Opening

Desmond Miles, a cipher

The term 'cipher' is a form of address used by certain members of the First Civilization to identify individuals integral to their plans. The term was used predominantly by Juno to address the Helix research analyst[1] and the Helix initiate;[2] it was also used by Jupiter to address Desmond Miles, at one stage.[3]

The First Civilization typically contact ciphers through the genetic memories of deceased individuals they view, such as those of Ezio Auditore da Firenze[3] and Lydia Frye.[2]


  • 'Cipher' has a number of self-conflicting meanings; it is sometimes used to describe something as having no value, influence, or importance. Other times, it refers to a secret method of writing, as by transposition or substitution of letters.