1) Give the dungeon at least Adzhit Offense and Archery, and +1 Evil Eye at the start for each hero + 1 Evil Eye (8 instead of 7) base growth in the town.
2) Leave Learning as it is now. IMO, it's quite balanced currently.
3) The Tent is too strong, not sure what to do with it: maybe give it a ton of health, if the skill + Advanced heals the selected unit to max, and at Expert heals everyone to max, including in banks at the end of the turn.
4) Regarding Scholar, I disagree with it being on any [secondary skill]. As a suggestion, it should be on any magical one (Wisdom, Sorcery, Intelligence, any school of magic).