Enter the Vestibule of the Sacred Temple by clicking on 'an icy boulder' behind where Kaira L'or was. ( -164, 47, -681 ) Copy/waypoint -164, 47, -681
Mobs inside are Vestibule defenders, frosty pests and frosted bubbles, ranging from level 60 to 62. Defenders will be non-aggro if you've never gained their hate by killing any of the winged maidens outside.
Speak with The Guardian. ( 11, 3, -636 ) Copy/waypoint 11, 3, -636
The correct answer to her riddle is '11'.
If you answer the riddle incorrectly, she will aggro and attack. Killing her causes faction loss with The Tribunal.
Use the first Sacred Vessel. ( 8, 4, -641 ) Copy/waypoint 8, 4, -641
Use the second Sacred Vessel. ( 62, -1, -641 ) Copy/waypoint 62, -1, -641
Use the third Sacred Vessel. ( 26, -1, -567 ) Copy/waypoint 26, -1, -567