How to get "2nd Chaos Lord" achievement

2nd Chaos Lord

To get "2nd Chaos Lord" achievement you have to join "Mirror Portal" (/join mirrorportal)

Now kill "Chaos Lord Xiang". 

Monster level - 35;

Difficulty - 3 stars;

Total Hp - 80689.

Remember do not forget to accept "Good, Evil, and Chaos Battle!" quest.

/join mirrorportal

Good luck!