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


The ter'angreal is in the shape of a wooden carving of a hedgehog, no bigger than the last knuckle of a man's thumb.


Any woman who tried to channel through it went into half a day of peaceful dreamless sleep,[1] and it could be used to trap others as well.

It was left by the Black Ajah who fled the White Tower as a trap for Moiraine Sedai in Tear.[2] It was broken by Perrin Aybara to rescue Faile, who had instead triggered the trap, from its effect.[3]


  1. The Dragon Reborn, Chapter 25
  2. The Dragon Reborn, Chapter 53
  3. The Dragon Reborn, Chapter 55

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