Mercer will inform you that Karliah is hold up inside Snow Veil Sanctum, so lead the way to the door, which Mercer will unlock, and head inside.
After the main Guild quest she resides in Nightingale Hall. Karliah's unique outfit consists of her armor, her gloves, her boots, and her hood.
A possible solution is to go to the Flagon and move her via console commands: prid 00058F1A to select Karliah, followed by moveto player to move her to you. You may need to manually advance the quest as well with setstage tg07 20 .
Karliah and Brynjolf have traveled to Irkngthand in their pursuit of Mercer Frey. They want the Dragonborn to meet them there. Inside they need to locate and eliminate Mercer and take the Skeleton Key he has stolen from Nocturnal.
Track down the Dunmer behind the Guild's misfortunes. Quest Giver:Mercer Frey Next Quest: Hard Answers Reward: Gallus' Encoded Journal, Word for the Disarm shout ID: TG05 Suggested Level: 62 more rows •
The sanctum is a multilevel dungeon guarded by many Draugr, there are also a number of tripwire, bone chime and pressure plate based traps. It contains a Word Wall for the shout Disarm.
You can find it by traveling South East of Winterhold and North Northeast of Windhelm. The Main entrance is locked and requires a key to open it. The door is unlocked during the quest Speaking With Silence.
Track down the Dunmer behind the Guild's misfortunes. Quest Giver:Mercer Frey Next Quest: Hard Answers Reward: Gallus' Encoded Journal, Word for the Disarm shout ID: TG05 Suggested Level: 62 more rows •
You begin this quest once you've read Heddic's Volunruud Journal on the floor just inside Volunruud. It can be easy to miss, but it's on the floor beside the skeleton.
The quest, The Mind Of Madness, begins when you speak to Dervenin in Solitude. You get the Wabbajack from this quest.