The cloak of the walking wounded is from adventurer's vault. It is a neck slot item, Level 4+, with a property that allows you to spend two surges when you second wind instead of one, if you use it while you are bloodied.
Battleforged is a plate-only armor enchant from Phb1. Level 5+. As a property, if you spend your second wind while bloodied, you gain 1d10/tier extra hit points (scales up at 15 and 25).
Battleforged is a plate-only armor enchant from Phb1. Level 5+. As a property, if you spend your second wind while bloodied, you gain 1d10/tier extra hit points (scales up at 15 and 25).