You have focused your training on elemental mastery over acid. You gain +2 caster levels when casting acid and earth spells and increase the maximum caster level of these spells by 1, but suffer -3 caster levels when casting air or electricity spells. You gain 5 points of acid resistance and bypass 5 points of acid resistance of opponents. You can cast the Acid Spray spell as a spell-like ability. You also gain a +2 bonus to saves against paralysis, poison, and sleep, and a +2 bonus to the Balance skill.