Tamer of DemogorgonG 75

Demogorgon is a level 70 ten player skirmish. There are three stages to the skirmish that are measured in Bronze, Silver, and Gold. How quickly you complete each stage gives you one of the three ratings. Completing a minimum of two gold stages and a high Silver is needed to get an overall Gold rating which will then unlock this achievement. There is also an additional requirement needed to able to que up for this skirmish. You need an item level of over 2500.