Smoking - Add pipes to certain NPCs (bandits, beggars, people in taverns/inns etc.) and have them smoke as an idle animation. Make the pipes craftable/purchasable/lootable and the player's character can "smoke" by activating the pipe through the inventory. Give guilds skill requirements to join and advance. Ability to give your followers specific tactical instructions, like stay stealthy until someone is trying to attack you, Attack X when I give you the signal (which would be done by hitting a hotkey), Use/don't use bow, Use health potions when you get below X% of health and so on.