The Repository

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"Greetings! I am 371 Repentant Instigation, Monitor of Shield World 0725."

- 371 Repentant Instigation, introducing itself to the newly-arrived guests.

Shield World 0725, alternatively to the Forerunners as "the Repository" and to the UNSC as Deep-Space Anomaly 0197 was a Conservation-class shield world built by the. Built long before the induction of the Forerunner-Flood wars, Repository was built as a place to store and test many of the Forerunner's prototypes, such as warships, weapons, etc. Repository was the birth place of the and others types of warships that were later widely used in conflicts, and was the place where the first  was created, which was significantly different than the other ones which were taken control of by  in 2558.