Whenever you roll a 6- (after all modifiers) and miss on a move, you gain 1 experience point. Mark it on your playbook in the group XP track for the approach you used for the move. If you used no approach for your move, mark your playbook experience track.
At the end of a session there is also a list of goals for your playbook. If you fulfilled any of these requirements, mark you playbook experience track.
When you fill an experience track you gain an advancement from the list and erase the experience track.
For your first five advancements you may do one of the following:
After your fifth advancement you may also do any of the following: