- Attribute: Constitution
- Type: Defend
- Time: N/A
- Description: Those with this skill have trained themselves to function beyond their physical limits. Characters who suffer body damage may avoid entering a fatigue state with a skill check, though a new check is required each time body damage is suffered, additionally, the duration for all Athletic based skills is doubled. This skill can also be used to resist the effects of a kill shot with a successful skill check.
- Prerequisites: Eight skill points in Athletics