Elemental Shards

Elemental shards are items dropped by most mobs and used to craft certain items. As opposed to cultural currency, they are not unique to a mythology, they are attached to a specific element(fire, earth, wind, water, soul, ice). Elemental shards are dropped by mobs associated with the respective dimension and are used to craft items associated with respective dimension. They are rarer than cultural currency.

Fire

 * Phoenix
 * Fire spirits
 * Muspels

Earth

 * Dark elves
 * Cave deities
 * Draugr (as loot)

Wind

 * Valkyrie
 * Griffin
 * Pegasus
 * Wind spirits

Water

 * Ahuizotl
 * Siren
 * Drowned spirits
 * Cetus

Soul

 * Lost souls

Ice

 * Jotuns