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Welcome to Hellmouth is an achievement and combo in Plague Inc. It is unlocked by getting a combo by evolving Lair, and then evolving Shadow Portal in the Shadow Plague.

Trivia

  • Interestingly, the player does not need to actually place a Lair in any country in order to unlock this achievement.
  • This achievement is a reference to Buffy the Vampire Slayer, a show about killing vampires and other creatures.


Gallery