Sacrificed to the ancient fishfolk in return for jewels and treasure, the once-human Siren is the first boss of the Cove in Darkest Dungeon. The eldritch creature can be troublesome, due to her ability to charm one of your heroes to fight from her side. She can also summon aquatic monsters found in the water-logged caverns of the dungeon. You must beat her quickly, or else be overwhelmed by the pelagic horrors of the Cove.