You can trade for Blessed and Cursed gear at the [Exchange] Reonan NPC in Flaris. Select whether you'd like to exchange for armor (set) or jewelry, then select use the dropdowns to find the exact item you're looking for exchange for.
You cannot undo an exchange! Please be careful and double check you're exchanging the correct items before hitting "Ok".
To obtain a piece of set armor of a given type (helmet, suit, gloves, boots), you need: