Belt of Fitness
This well-made champion's belt lets you use your endurance to resist bodily harm.
Waist Slot 2,600 gp
Power Daily (Immediate Interrupt)
Use this power when you would be hit by an attack against Fortitude defense. Make an Endurance check and use that result in place of your Fortitude defense.
Published in Adventurer's Vault, page(s) 164.