Thunderstone Quest Quest 13 Rotten Roots delivers a unique and imaginative chapter in the ongoing saga. As the treant Ashbrow sickens, the Champions must shrink and venture into the forest guardian itself to confront a hidden corruption. With new cards, Epic Mode content, a wilderness tile, and additional dungeon tiles and boards, this expansion introduces fresh strategic pressure and memorable thematic gameplay. Ideal for groups seeking inventive challenges within the Thunderstone Quest campaign.