Earth energy is what powers earth elementals and other earthen types. One of the focal worlds for earth energy is Granitoid. Those with high amounts of earth energy can move through stone, and those with at least 15% have Tremorsense; the ability to sense movement through vibrations in the ground.
|Tremorsense||15%||some earth giants, all xorn and earth elementals|
|Earthen Travel||65%||xorn, earth elementals, dwarven vampires|