Second Ark Conflict

"WE'VE GOT A NEW CONTACT, UNKNOWN CLASSIFICATION!" This article may contain information based upon upcoming, unreleased, or recently-released content from Halo Wars 2, and may not be fully complete. Additionally, the information may be subject to change if it is based on pre-release material. Please update it as soon as any relevant and accurate material is available.

This article is about the battle in the post-war era. For the final battle of the Human-Covenant War, see Battle of Installation 00.

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"When a lone, once-forgotten UNSC ship found its way to an ancient and besieged Forerunner installation, new enemies emerged from the periphery to exploit the darkness and turmoil that Cortana had created."

— Curator on the battle

In 2559, a large battle broke out on the surface of Installation 00 between the forces of the Banished, a Covenant splinter faction, and the crew of the UNSC Spirit of Fire.

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Gallery

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  Concept art of the battle for Halo Wars 2.

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List of appearances

• Know Your Enemy (First appearance)
• Halo Mythos: A Guide to the Story of Halo (Mentioned only)
• Halo Wars 2