Sacred Promise

Sacred Promise was the name of a Covenant.

History
During an engagement with UNSC forces, the Sacred Promise was severely damaged, forcing the weapons to be taken offline. An attempt was made to elicit support from the Devotion and fighter cover from Commitment and Patience. However, before any help could arrive, Commitment and Patience was crippled by a well aimed Kinetic Penetrator round which ruptured several fuel cells and put the main drive into 'runaway state'.

The bridge crew of the Commitment and Patience completely lost drive control and the ship crashed into the thin atmosphere of a local satellite after a failed attempt to stop the engines by forcibly ejecting the ships fuel cells. The transmissions (recorded in Conversations from the Universe) between the Sacred Promise and other ships ended after the destruction of the Commitment and Patience and its fate remains unknown, however, it is safe to presume that it was destroyed by UNSC forces.

Appearances
Sacred Promise was mentioned in the Transmissions as sending a taunting message to the. Thus, it may have been part of the Covenant's Fleet of Particular Justice during the Battle of Reach. It was also mentioned in Conversations from the Universe.

It should be noted that Cortana, for reasons unknown, sent the Sacred Promise a taunting message of her own.

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