Ultimate? Probably Hillary. But on e Kamala gets Secret Service protection, look for Ghislain Maxwell to be moved into protective custody. They might have to take Bill out to tarnish Hillary in order to squash her ambitions. It may be the end of our Republic but the backstabbing will be interesting to watch.
If he doesn’t make it to inauguration day it could get very interesting. There is no secession clause in the constitution for president elect. I would think that the electoral college would need to be reconvened and then vote on the president/vice president, or the congress would need to resolve it with votes in the house for president and the senate for vice president.