Veet said:
I have to agree on BG, Since I've gotten it about a month ago I've played about a half dozen games with it and yet to join the cult. Pulled one corruption card from an encounter in all that time and all it did was switch out some monsters in the outskirts. About the only thing I've run into thematicaly from this expansion is a sudden saturation of "cultists" and Dark young in the monster cup.
I have a solid record of getting the Cult Membership, though majority come via Corruption cards (two in the deck that "offer" a membership). And of course this means using the BGotW Herald, since killing hexes gets you corruption. Though ironically perhaps, last BGotW game I didn't get that corruption card.
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Your story of fighting the Dunwich Horror because there's nothing else to do at that point in the game states better than I can how using all the boards reduces the game to a very small selection of strategies. The Dunwich Herald at least makes the Horror of Dunwich more scary and less easy to ignore. I just find that with even the herald and having at least 4 investigators that the Dunwich board seldom overwhelms me enough to bring him out.