Use your infantry and archers to forge a path and your cavalry to mow down the opposition. Keep your bone dragon back until you teleport to the next map you'll need it for a little while. If you haven't played it, you're basically moving through the valley with a load of Encablossa spawning and constantly attacking your troops from point 2.
Point 1 / Point 2 The initial part is the same as Kendal's campaign.
