Apart from their architecture, the Forerunners were a complete unknown going into Halo 4. Outside of the latest two novels, we’ve never had any insight into the species’ civilization. In the latest behind the scenes look at the making of Halo 4, the designers, artists, engineers, and production staff of 343 Industries talk about the challenges and goals in creating a brand new race of enemies. Early concepts of the Prometheans and information about their technology and fearsome weapons lie ahead.