Thinking about trying a villager, but have thus far relied heavily on return potions/spells.

Are there certain areas that you can't get out of without magic (other than certain trap rooms)? There are certain area explore places like Organia that I'm still trying to figure out how one can get out of, let alone how to do it without a potion.

If so, could you share a list of what areas to never go into as a villager unless you want to leave as a ghost?

Also, while we're at it, can someone explain the general village philosophy on healers, paladins, shamans, etc. Can villagers use healers? Are there some villagers who are okay with these empowered classes so long as they don't use magic beyond their empowered supplications? Any tips on how to RP this aspect of the game would be great.