Flavor Text
The twin blasphemies of Shub-Niggurath will prepare the world for their mother's reign.
Prelude Conditions
During Step 5 of setup ("Determine Ancient One"), set aside 2 Ghoul Monsters.
During Step 9 of setup ("Resolve Starting Effects"), if Shub-Niggurath is the Ancient One, search the Mystery deck for the Spawn of Shub-Niggurath Mystery instead of drawing a random Mystery.
After resolving setup, each investigator improves 
and 
. If playing with the Forsaken Lore expansion, spawn the Yeb Epic Monster on The Amazon. Then, if Shub-Niggurath is not the Ancient One, spawn the Nug Epic Monster on the Amazon.
During this game, the Nug and Yeb Epic Monsters each have toughness equal to 
+ 4.
While resolving the Nug Epic Monster's 
effect, if a Ghoul Monster cannot be spawned, Investigators lose the game.