Btw. it seems that 1.1 and 1.0 versions are totally different missions.
Here is the changelog from 1.1 version. With our current Thief Guild practices, this qualifies as a "re-release", and I added this as a new FM entry:
https://www.thiefguild.com/fanmissions/78655/the-mages-area-easy-version
Changelog:
This is a simplifyed version of the original level. You have more stuff at the beginning, all undeads become defeatable, some secrets now more obvious, more loot on the stage to c...
It already says in the notes section: "DromEd required to run the demo."
Doesn't work in any loader. This mission is labelled as DromEd-only.