Just a Tip. ;)
For those who doesn't know it yet, to kill Chaos Lord Xiang, I use Healer Class + Chaorrupted Class. This monster has a skill that grants you a huge life and this is the EPIC part. With heartbeat you can damage her up to 33000+ and you can easily kill her now. HOPE IT HELPS. 
Here is a printscreen:

IS THIS THE RIGHT SECTION TO POST THIS? SORRY IF NOT.

Here is a printscreen:

IS THIS THE RIGHT SECTION TO POST THIS? SORRY IF NOT.



