What kind of disaster might help you bridge the gaps in your own dysfunctional family?

I relish horror movies! There is a recurring trope about fantastic beasts and tragic events bringing estranged or dysfunctional family members closer together.
Would an earthly natural disaster be enough? Or would you need to experience a hostile extraterrestrial invasion? Perhaps would a harrowing experience with a mystical man-eating monster compel you to revive your family bonds?
What kind of disaster might help you bridge the gaps in your own dysfunctional family?
What kind of disaster might help you bridge the gaps in your own dysfunctional family?
What kind of disaster might help you bridge the gaps in your own dysfunctional family?
What kind of disaster might help you bridge the gaps in your own dysfunctional family?
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