The Cerebrate was a leader of the unnamed zerg brood of the Zerg Crusaders which created The Fragile Alliance. It somehow possessed xel'naga technology found in ruins on Aridas, which let it control a small protoss tribe. The cerebrate became a target by Jenson's Raiders of the Terran Dominion, who had to decide between destroying the cerebrate or capturing it for study. Plot branch : Jenson's Raiders capture the cerebrate. Plot branch : Jenson's Raiders destroy the cerebrate.