Diehard

Diehard
You are especially hard to kill and remain conscious with even the most grievous wounds.
Prerequisite: Endurance.
Benefit: When reduced to negative hit points you begin dying however you remain conscious and may continue to make actions. Each strenuous action you undertake (see disabled) deals an additional 1d4 points of damage. As usual for a dying character, at the end of each round you must make your stabilization Fort Save but while you can perish from failed saves you cannot begin to stabilize unless you refrain from strenuous actions.