Palantirs

Palantirs can be used to communicate across both Space and Time

1st Age

563E

The Palantirs. Lastar creates the scrying stones so that his armies would not be surprised again. As Lastar retakes the land, they are placed as follows: Minas Tiris, Morgul, Maedus, Emras, Aarda and Bolgar and Sutur. (1st Age History)

2nd Age

670E

Rantor attacks Minas Tiris via the gate to the Plane of Fire; he discovers a Palantir and Gundleus’ 6th part of the Crown. Gondoloin, Gundleus’ son, retreats to Ashore. (2nd Age History)