The journal doesn’t have a quest topic, “illusion experiment”

There are two fadeout-fadeins that could be avoided by using bracketed descriptions and/or sounds

The quest-related grave is moddy: its nail can’t be picked up and the note cannot be opened, having only a special name

The quest makes you go to Andothren twice because for some reason you can't do both subquests together

You shouldn't receive journal updates upon acquiring quest-related items

Guards' dialogue has a speechcraft check