Barkskin

Druidic Transmutation/Alteration
Level: Druid 2
Range: Touch
Duration: 4 rounds + 1 round/level
Area of Effect: Creature touched
Components: V, S, M
Casting Time: 3 segments
Saving Throw: None

The barkskin spell magically toughens a creature’s skin, making it as strong as tree bark. The recipient of the spell improves his or her armour class by one point and also gains a +1 bonus on all saving throws, with the exception of saving throws against Spells (unlisted categories)