4 years ago. Slot these into your weapon, armor, or accessory to allow you to cast MP-cost magic abilities. Any% PSX No Slots Notes/Guide (with Final Fantasy VII Slots Analysis for any% (More Accurate Timing Tutorial) Final Fantasy 7 Question has. . Are you talking individual saves or the 10 save slots? I think you can delete the slots under My Documents\Square Enix\FINAL FANTASY VII STEAM\User_######\save. Green "magic" materia = elemental spells. Cloud's. Are you talking individual saves or the 10 save slots? I think you can delete the slots under My Documents\Square Enix\FINAL FANTASY VII STEAM\.