Cyborg3
Bionic Endoskeleton
You are now fully bionic, your HP is now SP.
Passive
You are now a cybernetic organism, living tissue over metal endoskeleton. You undergo a complex and painful mechanical surgery that fully replaces all of your bones with a metal endoskeleton. Your Hit Points become Structure Points.
All attacks with the Melee Trait your Pilot makes deal SP damage instead of HP damage.
Ability
Salvage Union Workshop Manual · p.60