From Guild Wars 2 Wiki
— In-game description
- Using the /kneel emote in front of the Statue of Dwayna to make the Emissary of Dwayna appear. Choose the 3rd dialogue option to learn Tenad's name. After that, you have a limited time to find the Open Coffin in the adjacent room, and interact with it. Choose the 1st dialogue option to summon Tenad the Faithful.