Boardgamegeek https://boardgamegeek.com/boardgameexpansion/186341/descent-journeys-dark-second-edition-stewards-secr
English - Dark forces seek to recover the secrets of an evil sorcerer. Only a few noble heroes can help the order of the Stewards protect their knowledge. Take up arms with Seer Kel and her fellow heroes or reveal forbidden knowledge to call the ferrox to your side in Stewards of the Secret.
Ludovox http://ludovox.fr/jeu-de-societe/descent-les-gardiens-du-secret/
French - Extension pour Descent 2eme edition.