Black Diamond is a story-related gameplay trophy and achievement in Call of Duty: Modern Warfare 2. This achievement is unlocked after completing Cliffhanger on veteran difficulty.
- The name is a reference to the oil that is blown up in the fuel station, as the nickname for oil is "black diamond."
- It may also be a referance to the skiing term. The hills in the top tier for difficulty are refered to as "Black Diamands."Template:CoD6 Achievements
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