This perk is not available during level up, but rather must be purchased. It is an implant named NEMEAN Sub-Dermal Armor which may be purchased from Doctor Usanagi at the New Vegas medical clinic for 8,000 caps. It is designed to provide improved protection from damage by bolstering the user's skin cells with iron.
This implant increases your total Damage Threshold by 4.
- By supplementing the implant with both ranks of the Toughness perk, the player character will have a total of 10 DT without armor.
- It is the second most expensive implant that can be received from Doctor Usanagi.
Behind the scenes
The name NEMEAN is a reference to the Nemean lion, a monster from Greek mythology whose skin was said to be impervious to damage.