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"WE'VE GOT A NEW CONTACT, UNKNOWN CLASSIFICATION!"This article may contain information based upon upcoming, unreleased, or recently-released content from Halo: Rise of Atriox, 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.
Otraak was a Covenant-controlled planet known for its secret research facilities on the planet's surface.
Although not much is known about the planet before the Great Schism. The planet was to be known to have secret research facilities operated by Covenant scientists.
After the Great Schism, the planet was taken by Banished forces. To make use of the planet, Sig Raan continued her 'unholy' research, using one of the abandoned research facilities there. Decimus later visited the planet, which in turn led to Sig Raan's betrayal.
List of appearances
- Halo: Rise of Atriox (First appearance)
- Halo Infinite (Mentioned only)