Altar of Dementia [Conspiracy]Set: Conspiracy Type: Artifact Rarity: Rare Cost: {2} Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power. "It is not that you will go mad. It is that you will beg for madness." Volrath

and from that moment on

only a handful of resisting nations remain even nominally independent

Set: Platinum: Rising Rivals Type: Fire Rarity: Holo Rare Retreat cost: 0

You also get tables for randomly picking interesting (and likely deadly) bots

taking characters of 5th level or higher all the way to 20th level should they explore the entirety of Halaster’s home

What goes up

Gloomhaven™

Set: Scourge Type: Enchantment Rarity: Rare Cost: {2}{U} Whenever a creature dies

Play time 40-80 minutes

I would have had a firmer foundation built more quickly than I did

Set: XY: Black Star Promos Type: Grass Rarity: Promo Retreat cost: 0

The booklet guides the reader through the card meanings and interpretations