[Moonbridge] Foggy Investigation
Start and complete it with Neinheart in White Spear Deck 1.
Requirements
Lv. 245+
Quests
Objectives
Collect
NPCs
Locations
Neinheart Start, Complete
Connected quests
Dialogue
Turning in the quest
Additional replies
Do you have 10 
Wicked Soul Remnants items yet? You can get them from Soot Beast and Soot Talon on the Last Horizon Ship Deck.