Natural weapons should use Toughness and Hardened Skin edges to calculate durability and lethality.
The Durability of natural weapons (for example, fists or bear paws) is calculated as follows: Attack base lethality + Hardened Skin LR + Toughness L/2. When natural weapons are damaged, their owner takes non-lethal damage.
Natural weapons should use Toughness and Hardened Skin edges to calculate durability and lethality.