Abaddon

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Template:New Content The Organon was a rumored Precursor artifact of incredible power, believed by the Forerunners to be able to activate all Precursor artifacts. It was considered to be the most sought-after Precursor artifact by Forerunner archaeologists. Whether it actually existed is unknown, but believed to be unlikely.

In approximately 100,000 B.C.E., Bornstellar Makes Eternal Lasting sought the artifact on both "Edom" and "Erde-Tyrene" using a pair of human guides to lead him to its presumed resting place in the Djamonkin Crater.

List of appearances

• Halo: Cryptum (First appearance) (Mentioned only)