Earth Armor

Effect:  The caster shields themselves with the terrain around them, gaining a bonus to their choice of Armor Class or Fortitude equal to their Wisdom modifier. Upon the caster being hit the Earth Armor dispels, leaving the attacker MuddiedMuddiedThe target is muddied and can only take one Action on its turn. Invisible creatures who are Muddied do not gain the benefits of Invisibility while Muddied. The creature may clean itself with a natural source of water or a spell. for a number of rounds equal to the caster’s Wisdom modifier.