Like its child the Earth Rune, this rune offers protective magic in the form of defensive bonuses, magic shields and earth elemental attacks.
Suikoden II introduced the mighty Canopy Defense as a second level spell, which completely protects the party from the next magical attack. Since this spell can be refreshed each round so long as you have sufficient magic points, it was later deemed to powerful for a level two spell and was shifted up to level four. Earthquake is one of few offensive earth elemental spells which deals high damage to all enemies with ground contact.
After the Tinto Region had been liberated from Neclord's zombie forces, Gustav Pendragon offered Riou's army a Mother Earth Crystal as a gift. - Celes