House rules concerning how skill checks (dice rolls) in the campaign will work
House rules concerning different ways characters may rest and recover, including terminology and different ways to pass time
House rules concerning travel between locations, including logistics and ways characters can interact with the world during their travel versus a vanilla timeskip
House rules concerning the building, enhancement, growth, and personalization of a settlement they will encounter and possess at a certain point in the campaign
House rules concerning crafting both magical and mundane, including ways characters may invent or experiment in different ways
House rules concerning ways characters can spend their time between quests, both mechanically and for flavor and character building in Ostelliach