Blood WaterG 30

This achievement is unlocked by simply killing 200 enemies on the Expedition DLC map called Runoff. This can be accomplished during any of the available game types like Attrition, Pilot Hunter, Last Titan Standing, Capture the Flag, and Hardpoint Domination to name a few. The achievement is cumulative and all Kills count so you can take down Pilots, Titans, Grunts, or Spectres.