November 12, 2002
Galaxy cleansing technology or galaxy cleansing xenoform...which to use, which to use...
Why would the Forerunner need the Flood? They have the ultimate super-weapon, so there's no need for an inferior, biological alternative. (Even if the Halo was only built after the first encounter with the Flood, the Forerunner nevertheless had the ability to manufacture such a thing) To create a "mass strilization protocol" such as the Halo's primary weapon, they must have felt pretty strongly about the survival of the Flood. After all, a whole galaxy is a terribly large thing to gamble on. Unless, of course, they didn't think there was anything worth saving in this particular galaxy...