The Society of the Work of the Holy Spirit was one of the most active branches of the Magisterium.[1]


Previously considered impregnable by Lord Asriel, the Society was infiltrated by Lady Salmakia under the orders of Lord Roke. By fooling a priest into believing she was Wisdom, she learnt that they believed Lyra Silvertongue to be the most important child to ever have lived.[1]



  1. 1.0 1.1 The Amber Spyglass, Chapter 5
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