We get to understand all in regards to the Forerunners and the Flood, in addition to bits and pieces with the historical past of historical humanity, a spacefaring civilization that almost worn out the Forerunners long ahead of Grasp Main was even born. キング・オブ・ザ・ヒルと似たような内容だが、前者とは違い、一度占領したエリアは再占領不可となっており、いかに迅速にエリアを確保するか... https://buckminsterl284npu4.jts-blog.com/profile