Cyborgization
Feats
The primary subject receives +4 natural armor bonus to AC, +4 bonus to saving throws against mind-affecting spells, resistance to fire, cold, acid, and sonic equal to (10 + 1/3 its Hit Dice), spell resistance equal to (11 + its total CR), regeneration 10 that is negated by electrical damage or adamantine weapons, and DR N/adamantine equal to (5 + 1/5 its Hit Dice). The subject also gains an immunity to disease and vulnerability to electricity.