Enter the Tower of Frozen Shadow ( 114, 46, 53 ) Copy/waypoint 113.75, 45.59, 53.22 and attempt to find any information relating to Tserrina's intentions.
Find a piece of Tserrina's notes, at ( -1, 218, -18 ) Copy/waypoint -1.21, 217.51, -17.78 in Shadowed Corridors
Find a second set of Tserrina's notes, at ( 77, 290, -13 ) Copy/waypoint 76.92, 290.28, -13.46 in Darkness Rising in Umbral Halls
Find the last part of Tserrina's notes, at ( 14, 561, 38 ) Copy/waypoint 13.64, 560.97, 37.54 in VhalSera's Dominion in Umbral Halls.
Search for a tome relating to the Age's End prophecy, at ( -94, 75, -72 ) Copy/waypoint -94, 75, -72 in the Library of Frozen Shadow in Shadowed Corridors.
Return to Erus in Fina's Retreat. ( -1374, -533, -2269 ) Copy/waypoint -1373.62, -533.07, -2268.91