Talk:Halo 3 Announcement Trailer

Could it be
when it says
 * The enormous hole in the swirling clouds above the middle of the structure in the crater is, according to Bungie, caused by strong, unseen forces from the structure itself.

could the strong unseen forces be the forunners them selfs and this is why they never used the shield worlds or if not could the unseen forse be a type of enemy for halo 3. User:Kami-Sama