Earth Elemental

Earth Elemental (アースエレメンタル) is a spirit that occupies a mass of earth.

Appearance
Earth Elementals were said to be weird chubby-looking things, smaller than humans and with arms too large for their bodies.

Abilities
Presumably Earth Elementals have an affinity over earth.

Trivia

 * Schoen had previously seen Earth Elementals before, though the ones he had seen paled in comparison to the one that Decem Hougan summoned.