Your cat finds a severed head lying on the ground. Its unblinking eye stares right through your cat.
What should your cat do?
Safest choice
ExamineINT checkWorst: Gain a disorder from mental disorders (Fail INT roll · rare tier)
DestroySTR checkWorst: Take 6–10 damage; Injury (str) (Fail STR roll · rare tier)
EatCON checkWorst: Get parasite Cursed Hairball (Fail CON roll · common tier)
Examine
INT check
Pass INT roll · common tier
The head whispers something to your cat as your cat gets close, but your cat can't make out what it's saying.
Nothing else happens.
Pass INT roll · rare tier
Your cat finds a small boil on the back of the head. Pushing the boil causes the head's eyeball to drop to the floor, blinking in seemingly random intervals.
Your cat stops short as a guttural gurgling begins to resonate from the bottom half of the head.
Your cat's stomach churns, and your cat begins to vomit profusely.
Exact where the game's data defines the odds (no-roll choices, fixed chances, weighted pools). Stat checks, the common/rare split and luck-weighted picks depend on rolls the data doesn't spell out, so they're labelled instead of guessed.