Viviane Nimue is the Drowned Maiden, often depicted as an arm rising out of a swamp and holding a glowing sword.
The priest Cyrus Lumis greets the adventurers. He let's them know that he saw the Cryptids performing a ritual that caused antlers to grow out of their heads. The Cryptids used to be good neighbors but about a year ago they stopped communicating with people in Woodhaven. When people were sent to talk to them no one came back.