Trail of Skulls - How to start and complete the Role-Quest in Final Fantasy XIV: Endwalker (FF XIV). Details on where to find Raubahn.
The Blasphemy Hunter can be found at (X: 36.3, Y: 31.7) in The Lochs.
Nearest Aetheryte: The Ala Mhigan Quarter
The Blasphemy Hunter may seem calm and collected from a distance, but you suspect something is amiss
Speak with Raubahn at in Ala Gannha
Once you’ve spoken with the Blasphemy Hunter, travel over to (X: 26.5, Y: 6.7) in Ala Gannha and talk to Raubahn.
Speak with Raganfrid
After the cutscene with Raubahn has come to a close, head over to (X: 24.4, Y: 6.9) and speak with Raganfrid who can be found near a tent.
Speak with Raubahn
You’ll now need to travel over to (X: 36.9, Y: 12.4) and talk to Raubahn to initiate a cutscene.
Speak with Raubahn again
Take the Atheryte back to Ala Gannha and speak with Raubahn who can be found standing next to Raganfrid.
Speak with Raubahn in the Ala Mhigan Quarter
Finally, make your way over to (X: 36.2, Y: 31.7) at the Ala Mhigan Quarter and speak with Raubahn once more to bring this quest to a close.