Master-stone
The Master-stone was the chief of all the palantíri, both in Aman and Middle-earth, which was held in the Tower of Avallónë on the Lonely Isle.
The Master-stone was the chief of all the palantíri , both in Aman and Middle-earth , which was held in the Tower of Avallónë on the Lonely Isle . It was said that the Seeing-stone in Elostirion in the Tower Hills could be used to look back along the Straight Road and glimpse the Tower.