Shifter Stamina

 
Prerequisite(s): Shifter, Beasthide, Truedive or Wildhunt Trait, Endurance
 
Benefit: While shifting, you are immune to non lethal damage, and the effects of fatigue and exhaustion are suppressed. When your shifting ends, any fatigue or exhaustion effects that would have occurred during your shifting, take place normally.
 
Source: Races of Eberron