The Reward for Loyalty

Alternate start
You can get this quest from Lerenth in The Sprawl after completing The Dreadnaught Uprising

Steps

 * 1) Enter the back room of The Temple of War in North Qeynos
 * 2) Speak to Lerenth
 * 3) Speak to The Forgotten
 * 4) Speak to Lerenth again. "You're in trouble..." / "You've come this far..." will get him to accept his "reward"
 * 5) Quest auto-completes after Lerenth is "rewarded"

Rewards

 * At least @ level 79