|Elder Sign||Doom Track|
|Malaise: All trophy costs at the entrance are doubled.
|3 Investigation Task3 Investigation Task|
|When Tsathoggua attacks, each investigator must either discard 1 adventure trophy and 1 monster trophy or be devoured.|
Tsathoggua first appeared in the story The Tale of Satampra Zeiros (Clark Ashton Smith, 1931).
Tsathoggua is a Great Old One whose amorphous body usually takes the form of a furry toadlike being with sleepy eyes and a toothy grin, or a combination of bat and sloth.