Die Hard/Van Buren
You don't give up easily; when your hit points get below 20%, you gain an additional 10% to damage resistance.
Fallout: Brotherhood of Steel
Each level of this skill increases your health for +20 (up to a maximum +200) hit points.
- 1 Rank: 4 points (+20 Hit points)
- 2 Rank: 8 points (+50 Hit points)
- 3 Rank: 16 points (+90 Hit points)
- 4 Rank: 32 points (+140 Hit points)
- 5 Rank: 64 points (+200 Hit points)
When your hit points get below 20%, you gain +20% to all resistances and your armor class goes up by 5.