Mistborn Episode 4 - Armies A-Marching

Vin, Elend, and the entirety of Luthadel are being approached on all side by three factions, all desiring above all the most sacred and scarcest alloy of them all - atium. Not only that, but Mists are acting erratic during the day, Khandra infiltrators body snatching into the upper ranks, and petty family bickering stirring up two armies to attacking each other, what else can happen for the last half of the book?