I have the report and checked out the save. Zandalor and Icara are suppose to make a couple comments on the stairs and move up to where everyone else is, but didn't in the broken save. Unfortunately with trying to kill Zixzax, without Feather Fall you can only teleport him a couple times before he turns hostile, depending on reputation, and since Zandalor and Icara are close to the bottom of the stairs, it is much harder to get Zixzax out of their sight range.
