Your cat turns away from the strange creature and leaves... probably for the best!
Nothing else happens.
Common tier
[i]"How dare you turn your back on me!
You will [b]regret[/b] this!"[/i]
Next event: Tragedy
Rare tier
[i]"It would have been better if you had made a deal!
Now you will be plagued with tragedy!"[/i]
A shudder goes down your cat's spine as your cat slinks away.
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.