At the beginning of this quest, Gulthga will grant you a blessing of Cazic Thule. This adds a proc against lizardmen to the Ethernere Affinity buff. After this quest is completed the proc will be removed.
Enter Temple of the Faceless: Imprisonment (Advanced Solo) at ( -2163, 222, 768 ) /waypoint -2163, 222, 768 in Fearcreep. (You can work on this quest at the same time as Unexpected Ally so that you won't have to wait for zone reset. This quest can also be done in the Heroic version of this zone.)
Kill 6 lizardmen.
Kill Sarinich. Destroy the two statues at ( -328, 14, 216 ) /waypoint -328, 14, 216 and ( -482, 14, 216 ) /waypoint -482, 14, 216 to remove his immunity buff "Fear Shield"
Kill Baroddas. He will summon any monkeys not dead, so be sure to get them all.
Kill Phobis then swim down through the waterfall behind where Phobia spawned.
Reach the lower temple grounds. This update will occur at ( -404, -2, -105 ) /waypoint -404, -2, -105
Slay the leader of the lizardmen, Venekor (96^^). He's at the far north part of the zone.