Heroes have to go take on beings from another dimension that cannot be perceived without causing screaming psychic trauma because of their otherwordliness. But this works both ways and these beings can’t perceive the heroes without also receiving screaming psychic trauma.

Probably Bad RPG Ideas [Unofficial] March 10, 2026

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Cthulhu actually loses 1d100 sanity points on seeing you, but you never asked about that did you?