Click the portal by the sleeping body in either North Qeynos or North Freeport to zone into A Memory of Sand, a special version of the Tower of the Moon.
Make your way to the top floor and collect the green shard at ( 6, 28, 11 ) Copy/waypoint 6, 28, 11.
Zone out of the dream world and use the portal to enter A Memory of Sky, a special version of the Halls of Fate.
Kill the group at the bottom of the stairs to remove the first water barrier, then continue onward and collect the green shard at ( -1, 1, -118 ) Copy/waypoint -1, 1, -118.
Return and speak to Thumore in the dream world once again.
Use the portal by the body to enter A Memory of Echoes, a special version of Unrest.
Make your way to the graveyard and collect the green shard at ( -65, -1, 247 ) Copy/waypoint -65, -1, 247.
Speak to Thumore in A Collection of Dreams again.
Use the portal by the sleeping body to zone into A Memory of Scale, a special version of Karnor's Castle.
Make your way through the zone and collect the green shard at ( -7, -70, 176 ) Copy/waypoint -7, -70, 176.
Return to Thumore yet again.
Use the portal by the sleeping Thumore to enter A Memory of Nothingness, a special version of the Palace of Ferzhul.
Head West and kill the group of troll guardians standing in front of the wall of ice. Enter the passage and collect the shard at ( 81, 22, -3 ) Copy/waypoint 81, 22, -3.
Return to Thumore one final time for your rewards.