Amulet of Genie Fortitude

While wearing this amulet, your Constitution score changes to a score granted by the amulet. The amulet has no effect on you if your Constitution with the amulet is equal to or greater than the belt's score. Four varieties of this amulet exist, corresponding with and having rarity according to the four kinds of true genies. The amulet of dao fortitude and the amulet of efreeti fortitude look different, but the have the same effect.