Odin- Ancient Aroma, raise the chance of Odin to killed enemy.
Carbuncle- Moonstone, Emerald, Diamond, Has different good status effects on party.
Fenrir- Maiden Prayer, Does wind damage instead.
Dagger and Eiko- Pumice Piece, Makes eidolons do whole scene.
Other Eidolons- get alot of that stone/item to do more damage

How many answer does you want?
you mean all or some?

Thanks Ace14!