Nobody Expects It

Steps

 * 1) Speak with Foci Tamara Paust in the basement of The Academy of Arcane Science
 * 2) Speak to Rusty Cogsprocket near Longshadow Alley
 * 3) Enter Longshadow Alley: Daeneth Cloister and kill a Nerian questioner (even level and con)
 * 4) * All Nerians you approach, including gate sentries, will attack you
 * 5) Use Illusory Arasai Effigy and equip Cultist Robes, and speak to a Nerian questioner (several wander near the gate)
 * 6) Watch a Thexian being interrogated  or  or
 * 7) Watch another interrogation at a different location listed above
 * 8) Use Questioner's Gem four times on a dark elf
 * 9) Speak to Rusty in North Freeport

Rewards

 * At least