Wall of Earth

This spell coaxes the spirits of Earth into rising up and forming a thick, powerful barrier to protect the caster. The wall of rock-hard earth which this spell creates can be shaped as the caster desires, and can be curved, placed on a side of a hill, or even formed in a circle. It is extremely tough, requiring a Strength Roll against a TN of the caster's (Earth + School Rank) x 5 in order to break through. It is strong enough to hold back a raging flood, a lava flow, or hurricane winds, at least as long as the spell lasts. When the spell expires, however, the earthen barrier crumbles away in moments.