So how in the world was that not an ambush?  A giant freaking tree crashed and burned in order to separate Fanilly from the rest of her troop, sure it wasn't an ambush designed to take out the Iron Rose Knights, just one to cut of its newest head.  She was baited away from her troops, to try and take out the enemy crossbowmen and then was cornered by the Bandit King.  Maybe trap would have been a better word but for all intents and purposes an ambush though designed with a much smaller target in mind.