Pit Into the Depths
The Drowned Ruins Nightmare #10 (x3)
Treachery
Hazard.  

When Revealed: Until the end of the quest phase, each ally gets -1Willpower If the active location has the Grotto trait, remove all progress from it and flip it to its Underwater side.

Shadow: If the active location is Underwater treat this attack as if it were undefended.