Harbinger: Do you see why it must be done? These primitives, these... Banished. We both have watched our worlds crumble under the instruments of Forerunner arrogance. Your kind were once their rivals. A long time ago. You were spared. Forgiven. A luxury not afforded to us. To those they could not control. Humanity was the culmination of their final plan. But plans change. We are returning.