My Rebel team strolled through to Round 8 on Military Might I. It then took me four attempts to beat Round 8 but I finally did so, unlocking Tier II in the process. I still get to Round 8 with rel...
My strategy on the last round has been to stun Palp and then deal with the guards first. The guards are relatively squishy, so then I can lay into him without getting interrupted.