Kill forest wardens at ( -767, -9, 716 ) Copy/waypoint -767, -9, 716 until you receive an update that will tell you the page is under a nearby rock. Note: forest wardens only spawn during daylight hours.
Travel to the rock ( -845, -6, 704 ) Copy/waypoint -845, -6, 704 and retrieve the page.
This quest serves as an introduction to the Sage of Ages, a central character in the original story for the Shattered Lands. Scholar Demini originally believes the Sage is a myth, but after you complete this quest for the journal, he is convinced that the Sage is real and asks you to find him.