Fathom

Fathom is a Halo 5: Guardians multiplayer map located onboard research station, deep in the oceans of UNSC colony world Beta Gabriel. The map is symmetrical, and currently features the Hydra as the map's power weapon. A shotgun spawns on top of a docked submarine, and a sniper rifle spawns on the central floor. Cover in some of the hallways can be shot down to give players a full sight line.