Harden Flesh Feat 10
Source Pathfinder Secrets of Magic
Prerequisites stone order
Requirements You're standing on earthen or stone ground.
You fortify your skin with minerals drawn from earth and stone. You gain resistance 3 to physical damage, except adamantine, until the beginning of your next turn. At 12th level, and every 4 levels thereafter, the resistance increases by 1, to a maximum of resistance 6 at 20th level.
Traits
Anything that doesn't list another rarity trait (uncommon, rare, or unique) automatically has the common trait. This rarity indicates that an ability, item, or spell is available to all players who meet the prerequisites for it. A creature of this rarity is generally known and can be summoned with the appropriate summon spell.
DruidThis indicates abilities from the druid class.
EarthEffects with the earth trait either manipulate or conjure earth. Those that manipulate earth have no effect in an area without earth. Creatures with this trait consist primarily of earth or have a magical connection to that element.