Board Thread:Custom Lore Development/@comment-26863727-20160424211230/@comment-26184570-20160428222629

Eureka Enderborn wrote: Argali1 wrote: Nope. The Forerunners actually had a mass exodus. The Precursors may have as well, to a smaller degree, but the Forerunners up-and-left. Hmm. From where are you getting this information?

Halo Wiki. Forerunner page.