Meet Daphne in the Mystic Inn
The levels are shown here. You can see where you have been and can go back to those if you choose. It also shows any major events.
The Inn is a very busy place. You can see the owl delivering potions to some far off location.
As you progress, the look of the Inn will change.
Every now and then, you will play this mini-game, where you click the correct ingredient for a potion. Doing so will give you some powerup potions for the following levels.