Sortie Points are the currency needed to play Sortie Levels, they are automaticly recharged at a rate of 1 Sortie Point per minute (ex: 60 Sortie Points pan reach a max er hour) and can be upgraded in the Home (customize) menu, If all corresponding POWs are freed and all upgrades are done, one can reach up to 690 Sortie Points, you can recover all Portie Points with 30 Medals when trying to battle at a stage without enough Sortie Points.