“
UR-DIDACT: This being was not the Primordial I encountered on Charum Hakkor, but something else entirely—though it retained the Primordial’s motives and thoughts and memories. It was a Gravemind—the Gravemind, more accurately. It was the Primordial’s final act of revenge.
”
”
Greg Bear (Halo: Silentium: Book Three of the Forerunner Saga (Halo, #12))
“
Having undergone that disintegration and dying of past individuals and rebirth into something vastly more powerful, all these creatures had joined millions of years before into its own early Gravemind, far more than the sum of its parts.
”
”
Greg Bear (Halo: Primordium: Book Two of the Forerunner Saga (Halo, #10))