Key to the Truth
Defeat Weniks's platoon near the Crux of Darkness in Eternity.
The Skeleton Key is almost ready. The Stranger believes one more boost of energy from combatants near a Crux should do it. Find Weniks, Salvation Elite Captain and eliminate their platoon.
"You're very close. There's a Fallen Captain that's been holed up, causing trouble in one of the Exoscience buildings. Taking them out should do it." —The Exo Stranger