Boy you’re right. Slaves would be useless during a siege.
From what I read, HE conquered it and I would like to know how but i’m too lazy to look it up lol
But a prolonged siege?
how much water could you have on hand and how long would it stay drinkable.
Interesting.
Nice pictures of the area at this link, really gives you a feel for the topography:
Josiah Gibson (12) standing at the bottom of the massive stairway that leads up to the top of Sela. While much of the stairs are in ruins, it is possible to climb to the top with little problem If you are very observant, you may even make out the various water defense systems along the way, where the Nabataeans stored water behind dams, that could be released to literally sweep an attacking army off their feet! ——http://nabataea.net/sela.html