Title for Reference. So I was talking with a fellow member about the whole Flood conflict, both with Ancient Humanity and the Forerunners and how the Flood/Precursors returning to the Galaxy may be the ancient evil promoted for the Reclaimer Trilogy. Anyways, the convo eventually lead to the Flood on the Halo's and to the Flood that were already released and fighting the Sentinels within the Sentinel Wall. I think I heard something about this being explained or hinted towards somewhere, but I can't remember. Does anyone know how exactly the Flood were already fighting the Sentinels on Delta Halo? Where did the mass come from to sustain them on the ring? Thanks. Discuss. [Edited on 10.02.2012 5:29 PM PDT]