Boardgamegeek https://boardgamegeek.com/boardgameexpansion/170959/descent-journeys-dark-second-edition-natures-ire
English - This expansion marks the second fully cooperative adventure for Descent Second Edition. In traditional games of Descent, one player is the overlord, controlling deadly monsters and springing traps, while up to four players battle these monsters, gathering items and experience as they move through the campaign.