Hmm, this part is kind of confusing to me:
Magic spells are collected like a resource and can be recharged at various places on the map (thinkFFVIII‘s Draw system).
Read more at http://gematsu.com/2016/04/final-fantasy-xv-detailed-game-informer#KvAvya1VphoYXcGC.99
So we can recharge the number of uses I'm guessing, but this also makes it sound like there will be a lot of different spells which Tabata said there wouldn't be. Maybe it will be like Type 0's spells that have multiple kinds of fire, thunder and blizzard magic that react in different ways.
Lube Me Up