The Forerunners were humanoid, or at least human-shaped ... tactics to defeat the Flood. Finally, they activated the omnicidal superweapon known as the Halo Array, leaving behind only a few ...

Originally a human named Chakas ... Upon his arrival at Installation 07, a Halo under the rogue AI, Mendicant Bias, allied with the Flood. Chakas’ harrowing experiences on Installation 07 ...