Halo Codexery

Installation 05

Delta Halo, the second ring, which the Covenant try to fire in Halo 2.

Installation 05, or Delta Halo, is the second Halo ring, discovered in Halo 2. Unaware of the rings' true nature, the Covenant try to fire it to fulfil their prophecy, and the Hierarchs use 343 Guilty Spark to learn how to activate it.

Lore & Background

Sergeant Johnson joins forces with the Arbiter to stop Tartarus from activating the ring; its unexpected shutdown primes every Halo for remote firing from the Ark, which sets up Halo 3.

More in World & Setting

Elsewhere in Halo

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