Key to the Truth
Bring the Skeleton Key to the Exo Stranger in the Concealed Void Lost Sector in Asterion Abyss.
The Skeleton Key is fully empowered. It's time to rendezvous with the Exo Stranger.
"You've done it. Now hurry to me. I invited Ana along this time after our last conversation, and we have much to uncover together." —The Exo Stranger