Cincture of Vivacity
Where it covers you, this wrap holds you in a firm grip that strengthens your physical resilience.
Waist Slot 21,000 gp
Whenever you spend a healing surge during combat that would grant hit points to you beyond your maximum, you gain the extra hit points as temporary hit points.
Published in Adventurer's Vault, page(s) 165, Mordenkainen's Magnificent Emporium, page(s) 79.