Just for the record. Good stories change good games to great games, and this has A LOT of story that is still being written. I hope you have a easy recovery, but take the time you need to do so.
Suggestions for expanding the dungeon;
1. Have someone ordered to clean it.
2. Sleeping there. It has a bed and everything, an option to spend an entire night there should be easy.
And a suggestions for more world building, side jobs for the non-renters and sanctuary elves. Nia is spying for the underground, but the other 3 are just kinda there. Some short storylines about them getting extra income and lives other than being hotel staff, and how the MC handles that can be interesting as well as open up the world more. Can be part of the exploring the city 'everyday life' events.