Vile Fumes

Technology. Playable at a tapped or untapped Shadowhold [S], Darkhold [D], or a site with a Dwarfautomaticattack. Discard during the site phase at a Borderhold [B] or Shadowhold [S] to make all versions of the site Ruins & Lairs [R]. Its normal automaticattacks are replaced with: Gaseach character faces 1 strike with 7 prowess (cannot be canceled). Keep Vile Fumes with the site until the site is discarded or returned to its location deck.