Massive Darkness 2: Massive Darkness Upgrade Pack provides 266 cards (kickstarter edition 369 cards) for all the miniatures (Heroes and Enemies) from Massive Darkness (and its expansions) to be usable with Massive Darkness 2: Hellscape.
It also includes 3 Boss Dashboards converting 4 enemies from the original Massive Darkness to Boss encounters (in addition to their Roaming Monster versions). These are The Abyssal Demon, The Hellephant and a deadly duo of the Spearmaiden Cyclops and the Cliffbreaker Cyclops fighting as one Boss.
Finally it includes a Prologue Campaign Booklet (converting the Quests from the original Massive Darkness and A Quest of Crystal & Lava and 30 Campaign cards.