Take a look at this guide >> http://forum.pandawow.ru/showthread.php?t=178695&highlight=green+fire+guide
Not sure but when you're completing the questing you just need to go back to warlock trainer give the quest and quest is done thats all
First of all thank you for reporting Chainz xD
Well man all this damage you get and you see at combat log aint real,it's overkill anyway but yeah sub rogues got crazy burst