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The military-grade artificial intelligence known as Iona has only one week to live. After that, the UNSC will legally terminate her seven-year existence in order to stave off the threat of the data corruption phenomenon known as “rampancy,” a condition that will eventually take hold of her functionality and persona, endangering all those around her. In a last-ditch effort to save herself, Iona has successfully launched an unprecedented legal appeal against her own death sentence – a case being watched very closely at not only the highest levels of human government, but by others with a very different agenda…[3]

Halo: Saint's Testimony is a digital-only novel written by 343 Industries Franchise Development Director Frank O'Connor.[1] It revolves around the AI Iona and her attempt to save herself from being legally terminated by the UNSC through way of legal appeal.[3] It was released on July 27, 2015.[1] It was also released within Halo: Fractures - Extraordinary Tales from the Halo Canon on September 20, 2016.[2]



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