Due to replacing or reinforcing your skeleton with metal and other hard materials, you can take more punishment.
Price: 5,000 G | Weight: 15 lbs.
Description: Your skeleton is incredibly tough, granting you a +5 bonus to your damage threshold as well as a bonus +10 to HP.
This can be taken multiple times, only gaining the HP bonus and increasing the weight of the gear by +5. Taking it multiple times past the first time only costs half of the original price.