 Complete the following phrase:  The fourth and final DLC for Battlefield 1, the Apocalypse DLC, is centered around some of the most brutal battles of the Great War. The DLC was released on February 20, 2018, containing five maps, six guns, and a new game mode, among other additions. The three infantry-based maps of Apocalypse reflect three of the bloodiest battles of World War I; Caporetto set in present-day Slovenia, Passchendaele in Belgium, and 