Defense is almost entirely worthless, I thought this was made clear in your other thread about paladins. The biggest contributor to a reduction in damage you take is starforce for starforce maps and arcane power for arcane river maps, the second-biggest contributor is level difference. Scrolling things for defense will not help you.
Maybe wait until they're back at work instead of off for the holidays. According to the ms2 cm, it's a corporate-wide thing that they get the holidays off work. Not even the Korean overlords are at work right now.