With the help of the Dúnedain of Cardolan and the Elves of Lindon, Arveleg managed to drive out the enemies from the Weather Hills. Arthedain and Cardolan kept a guarded border along the Weather Hills, the East Road and the lower Hoarwell. This defence was apparently effective, as Angmar shifted its attention to Rivendell instead.
In T.A. 1409, the armies of Angmar and Rhudaur crossed the Hoarwell, occupied Cardolan, and closed in on Weathertop. In battle, both Arveleg and the last prince of Cardolan were slain.
The palantír of Amon Sûl could be saved, however, and was brought to the capital of Arthedain, Fornost.
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