We should hope nothing happens to his ass.
It’s pretty clear that the Dems are going to get as much mileage out of Biden as they can. If they can keep a lid on things politically until the mid-terms, they’ll 25th Amendment him out after so Kamala get to run twice. They’re already laying the groundwork for that. OTOH, if he takes a header or has a stroke — well the pomp of his State funeral is going to make us all throw up.