The Two Watchers were two three-headed phantom-statues located on the southeastern side of the Tower of Cirith Ungol, guarding the "gate". They served as guardians of the tower, creating an invisible barrier between them through the force of their will alone, which prevented any enemy from passing the gate. The statues seemed to be somewhat sentient, being able to sense enemies whether visible or invisible. The statues, seated unmoving upon thrones, one on either side of the archway, had three joined bodies- one that faced inward, one that faced outward, and one that faced the other. The heads were like vultures with glittering black eyes, and they had clawlike hands which lay upon their great knees. They seemed to be carved out of huge blocks of stone. Some evil spirit of vigilance lived