- Guscon
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- Exalted Mythic Member
I think destructive creatures that cannot be controlled directly. They have not been used yet due to the locations that battles have been fought, i.e in ships, and Forerunner installations. The only exception to this is New Mombasa. This can be explained by the nature of the Covenant 'battle' group. They were not expecting any humans, and so were not prepared for a major battle. They were an excavation group remember.