The grotto is only available late at night. You'll see it on the map.
25 days ago(+1)(-1)
i did that too and still nothing. i have max fitness, charisma and maturity (not that that matters for this) and also i beat her in rock paper scissors.
21 days ago(+1)
There was rock paper scissors? I just interacted with her and it said I won. And then I have the same problem of the grotto not showing in navigation.