They both escape the fortress, but outside they a an assault on the human city of Galyana, but for the army to reach it the must cross the Chasm, which can only be crossed in two spots.
They both escape the fortress, but outside they are confronted by Bruckner and an army of Slegs. The war plans reveal that the Slegs are beginning an assault on the human city of Galyana, but for the army to reach it the must cross the Chasm, which can only be crossed in two spots.