This quest is initiated by examining a stack of books in The Academy of Arcane Science in the City of Freeport (North) at 11, -7, -128 or in The Concordium Tower in Qeynos Capitol District (South Qeynos) at 707, 82, 127 (through the yellow teleportal) or The Library of K'Lorn in Neriak, City of Hate on top of the bookshelves at -685.74, 17.77, 248.19 . When it gives you the option of which book to read select "Words of Pure Magic".
This quest will teach you the Druzaic language.
You must visit four Druzaic Shrines in the Shattered Lands. Each of these warps between two locations. If it is not up in one zone, then it is in the next. The shrines change position every hour. (Often, One of four Totems will not be up at either location you then have to wait for the following hour to see it appear)