To refresh your memory:

Okay, we all know what happened in the end of The Ruins of Gorlan, Will was sent to get Baron Arald and Sir Rodney, they arrived in time to help out Halt. And we know that Halt and Baron Arald were about to be killed by the Kalkara when Sir Rodney stepped forwards with his ax and he froze, his weapon falling to the ground when the Kalkara locked eyes with him. Then of course Will stepped in and saved them, using the fire and sap from a torch and his arrows.

BUT!

What would happen if Will didn't think quick enough? If the torches were never lit, and it was never mentioned that the Kalkara were afraid of fire? Then what would happen? With Gilan trying to catch up to his former master to help fight the large beasts, Will trying to think of a plan, and three of the best fighters ever about to be killed. What could possibly go wrong?