Barkskin
From HGWiki
Caster Level(s): Druid 2, Ranger 2
Innate Level: 2
School: Transmutation
Descriptor(s): Natural AC
Component(s): Verbal, Somatic
Range: Touch
Area of Effect / Target: Single
Duration: 1 Hour / Level
Additional Counter Spells:
Save: Harmless
Spell Resistance: No
Description: Barkskin hardens the target creature's skin, granting a natural armor bonus of +3 to Armor Class, +1 per 6 caster levels, +1 per focus (regular, greater, epic, legendary, paragon) in Transmutation, reaching +18 at caster level 60 with paragon spell focus in Transmutation. When cast by a Ranger, the AC bonus is 2 lower than normal.
Notes
The AC bonus from Barkskin is retained when using wild shape or any of the shifter shapes.