The iron disc is a ter'angreal that was stolen from the White Tower by Liandrin's Group of Black Sisters.


The disc is seemingly made of simple iron but has been untouched by rust over the years. It is three inches in diameter and is engraved with a spiral on both sides.[1]


It is a sleepweaver. By channeling spirit into the disk and falling asleep, the user can enter Tel'aran'rhiod.


This sleepweaver was recovered from the Black sisters Amico and Joya in Tear. Elayne made many copies of it


  1. The Dragon Reborn, Chapter 25

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