Boardgamegeek https://boardgamegeek.com/boardgameexpansion/328627/arkham-horror-card-game-maelstrom-mythos-pack
English - Throughout your Innsmouth investigations, you have ventured into tide-hollowed caves and dripping tunnels - but these watery caverns are only the antechamber of the Deep Ones' domain. A hidden city rests beneath the choppy waves of the North Atlantic, slumbering at the bottom of the ocean. If you're going to protect the world from suffering the same fate as Innsmouth, you'll need to venture into the...