There are two types of Allagan Tomestones available
Currently, Aelina will exchange various items for Philosophy Tomestones
|Required Item||# of Philosophy Tomestones|
|Kupo Nut Charm||15|
|Gear melded with Cracked Materia||varies|
Additionally, Allagan Tomestones of Philosophy can be acquired through dungeons. The Wanderer's Palace for example, will give you a total of 30.
Mythology Tomestones Found in Zones (10)
Philosophy Tomestones Found in Zones (11)
By talking to the Calamity Savager NPCs you can trade gear equipped with cracked materia in exchange for varying amounts of Philosophy Tomestones.
Both Philosophy and Mythology Tomestones can be spent at Auriana to purchase various weapons, armor, accessories, and other misc. items.