: It clarifies that the Island isn't just a place of mystery, but a cork holding back a darkness that could end the world.
: A grief-stricken Jacob throws his brother into the Heart of the Island as punishment. Instead of dying, the Man in Black’s consciousness is ripped from his body and transformed into the Smoke Monster , while his physical body is left behind as a corpse. Why This Story Matters Lost_6x15_Quello_Per_Cui_Sono_Morti_ITA_DVDRip_...
: It shows that the "Monster" was once a man who simply wanted his freedom, and the "Protector" (Jacob) was a flawed individual who took the job out of a sense of duty rather than worthiness. : It clarifies that the Island isn't just
: After discovering Mother killed their birth mother, the Man in Black leaves to live with the other survivors of the shipwreck. Years later, he develops a way to harness the Island's energy to leave. In a fit of rage and protection, Mother destroys his work. He kills her in return. Why This Story Matters : It shows that
: Mother shows the boys a cave filled with a blinding, golden light—the "Heart of the Island." She describes it as "life, death, and rebirth" and warns that if the light ever goes out, it goes out everywhere.