On: Hit me with a wrench all you want, I can’t tell yo...

[prox]

How about a fake unlock (like a secondary password) that only partially unlocks an account or spoofs it with bogus intel.

[tyingq → prox]

Veracrypt hidden volumes look like a nice implementation of that: https://veracrypt.eu/en/docs/hidden-volume/

[Rooki → prox]

Surely there are very few situations where it would be worth gambling your children's life over some data. Perhaps if there were many other lives at stake but even then...