Halo: Silentiua 3 , Halo 11) In the last years of the Forerunner e parasite--has arrived in force, aided by unexpected allies Internal strife within the ecumene has desperately weakened Forerunner defenses Only the Ur-Didact and the Librarian--a husband and wife pushed into desperate conflict--hold the keys to salvation Facing the consequences of a reatest atrocity of all ti the entire universe