Zenith is a map belonging to Halo 2 Anniversary Multiplayer This map is a remake of the classic Halo 2 map  Ascension Like the rest of the maps in this multiplayer  this map will feature dynamic elements  with this map having a bubble shield in the center of the map which can be activated by pressing either one of three buttons: one located in the Communication Tower  one on the Skybridge  and the last one near the Comm Dish itself