Lithodermis
Your skin becomes more dense and stony, helping you resist broken limbs, knockouts, beatings, falling, and brain damage. However your added weight impairs climbing and swimming, and lets you carry less weight in gear. Your bare fists will also cause more damage.
Skill Modifiers:
* climb: -3
* swim: -3
Armor Modifiers:
* beating: +1 - +2
* bullets: +2 - +2
Resists:
* brain damage: 50%
* broken limb: 70%
* knockout: 60%
Requires:
Incompatible with: leapfrog and flight
Location
Mutation spot found in the Canyon's Depths zone. In southern part of the zone, head west down along the river and right across a bridge you will find the mutation spot.