I have been wondering ever since the Season 5 finale what the Man in Black's loophole was. My first guess was that the only person who could kill the mysterious good guy Jacob was the most evil person on the Island ever, which I thought was Ben. But now I think there is a better explanation.
Before the theory, I want you to know that I think The Source is connected to other structures on the Island by aqueducts, such as the Temple.
Ben (who killed Jacob) and Sayid (who attempted to kill Man in Black by orders of Dogen) both we're put into the Healing Spring at the Temple. My theory is that people who have been affected or healed by the electromagnetic energies of the Source can also affect other people who have a connection to the Source. So…Read more >