| | Item | Usage |
| Withered Bouquet | To start a fire |
| Flint | To start a fire |
| Cloudy Mirror | To obtain the Celestial Mirror and the Celestial Weapons |
| Celestial Mirror | To obtain the Celestial Weapons and enhance their power |
| Jecht's Sphere | A recording of Jecht's journey 10 years ago (also for teaching Auron new Overdrives) NOTE: There are 10 spheres in all! |
| Summoner's Soul | To teach your Aeons' new abilities |
| Aeon's Soul | To increase your Aeons' stats |
| Rusty Sword | A sword from an ancient statue (also for obtaining Auron's Celestial Weapon) |
| Blossom Crown | Connected to a hidden aeon |
| Flower Scepter | Connected to a hidden aeon |
| Sun Crest | A celestial token in the shape of the sun (For upgrading Tidus' celestial weapon) |
| Moon Crest | A celestial token in the shape of the moon (For upgrading Yuna's celestial weapon) |
| Mercury Crest | A celestial token in the shape of the Mercury (For upgrading Rikku's celestial weapon) |
| Venus Crest | A celestial token in the shape of the Venus (For upgrading Lulu's celestial weapon) |
| Mars Crest | A celestial token in the shape of Mars (For upgrading Auron's celestial weapon) |
| Jupiter Crest | A celestial token in the shape of Jupiter (For upgrading Wakka's celestial weapon) |
| Saturn Crest | A celestial token in the shape of Saturn (For upgrading Kimhari's celestial weapon) |
| Sun Sigil | A celestial token in the shape of the sun (For upgrading Tidus's celestial weapon) |
| Moon Sigil | A celestial token in the shape of the sun (For upgrading Yuna's celestial weapon) |
| Mercury Sigil | A celestial token in the shape of Mercury (For upgrading Rikku's celestial weapon) |
| Venus Sigil | A celestial token in the shape of Venus (For upgrading Lulu's celestial weapon) |
| Mars Sigil | A celestial token in the shape of Mars (For upgrading Auron's celestial weapon) |
| Jupiter Sigil | A celestial token in the shape of Jupiter (For upgrading Wakka's celestial weapon) |
| Saturn Sigil | A celestial token in the shape of Saturn (For upgrading Kimhari's celestial weapon) |
NOTE: Though all Al Bhed Primers are listed under "Key Items", they are not listed here. Please see Al Bhed Primers and Locations for details.
