Well, plenty of time to make these things up, Rex.
Now, I was MEANT to have a map for this point, but when I fell ill last month I kind of didn't do ANY of the many things I had meant to. So... um... I will try and get a visual of the area to you soon, but basically there are four approaches to the column that are easy to walk/run down. If the attackers can manage the slopes the amount of places they can attack from becomes near infinite, but that would be tactically unwise.
Farael is currently lining up some bowmen and ordering a cordon of troops around Mallachiel's caravan.
"YOU die before she does, understand? ALL of you," he is telling them.