Welcome to Halo Answers. What would you like to know?

the forerunners were a advanced race which creatd the halo rings as seen through out the series as a last resort to the flood.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.