+4 to hold breath, forced march, starvation, and sleep deprivation checks.
The character has exceptional physical endurance. The character
gains +4 to all Constitution checks related to holding breath,
forced marches, starvation, sleep deprivation, and resisting
environmental extremes. The character can also sleep in light
armour without penalty.
Rules Reference
Field
Value
Combat Action
Special
This feat does not reduce the effects of fatigue or exhaustion; it only helps resist gaining those conditions.
Category
general
Runtime / Classification
passive-conditional
Runtime / Duration
Runtime / Effect Kind
other
Runtime / Magnitude
4
Runtime / Trigger
hold breath, forced march, starvation, sleep deprivation, environmenta
Runtime / Uses
Benefit
condition: hold breath, forced march, starvation, sleep deprivation, environmental extremes
Field
Value
condition
hold breath, forced march, starvation, sleep deprivation, environmental extremes
modifier
4
target
constitution-checks
condition: can sleep in light armour without penalty