The Forgotten Age Invest. ExpArkham Horror Lcg: The Forgotten Age Investigator Expansion AHC72 : In secret and forbidden ruins buried in the uncharted places of the world, there hide ancient relics humanity was never meant to find. But a brave few will sacrifice everything to set things right and protect the Earth from its own undoing. The Forgotten Age Investigator Expansion features five investigators for Arkham Horror: The Card Game and contains all of the player cards from