http://www.youtube.com/watch?v=uw8FlGv9P_4
Chapter 6, in 7 turns. I didn't have the firepower to complete it in 6 turns. EDIT: Due to missing 6x, I went back to the savepoint and let the silver lance dude run around and kill more undrafted units, so I could hit 6x. Same turncount, but some different level ups.