Bringing back the Original Lightbringers to battle the Darkness. The Massive Darkness Upgrade Pack allows players to use their favorite Massive Darkness Heroes and Monsters in the Massive Darkness 2 Scenarios and Campaigns. It features updated cards for all the Heroes, Roaming Monsters, Mobs, and Agents from the original game, including the retail expansions, allowing players the seamless integration of all their familiar favorites. Not to leave out the monsters, each of the original monsters have cards allowing them to be used as Mobs, Roaming Monsters, or even ... Bosses. Fans of the original game will also be able to enjoy an updated Campaign Book that includes a Prologue campaign and updated versions of the Quests from the original Massive Darkness.