The Harbingers have six currency types. Orb of Binding, Engineer’s Orb, Orb of Horizons, Harbinger’s Orb, Ancient Orb, and Orb of Annulment. Some of these are decent, some are incredibly strong, and some are useless after level 40ish. All six are Harbinger exclusive items. The first three orbs are incredibly common. The most common of these