The Serpent-Skin Cloak, the Ivory Knife and the Book Bound in Pale Leather. The third was the greatest loss, I'm told. Nobody ever dared to memorize it, not at least since a priest named Anthrobar turned his brain to a cinder simply by trying to copy the damn thing—and to make matters worse, his partial transcript, which is what we used to get to Rathillien, disappeared soon after our arrival.
– Jame, God Stalk, "Chapter 7: The Feast of Fools"
↑God Stalk, Book II: Crown of Nights, "Chapter 7: The Feast of Fools" — " 'Flee, man, flee, and we will follow.' And so he fled, Cloak, Knife and Book abandoning, into the new world."
↑Seeker's Mask, "Part I", VI — "The Book, the Ivory Knife, and the Serpent-skin Cloak—those three object of great if ambiguous power kept by the Master in Perimal Darkling after the Fall. No one knew what roles they might play in the final conflict, only that each was necessary."
↑Seeker's Mask, "Part I", VI — "As for the pale Book with its collection of master runes,"
↑Bound in Blood, "Lexicon" — "a compendium of runes; one of the three objects of power lost during the Fall"