The team reunites at the site of Tiamut’s head. They must perform a "Reverse Uni-Mind," feeding their own immortality back into the Earth to stabilize the core. As they battle an army of golden, winged Deviants, Sersi makes a Choice: to remain an Eternal or to become fully mortal to anchor the spell.

discovers that the "Emergence" was only Phase One; the "Harvest" is Phase Two, designed to recycle unsuccessful worlds into raw energy for the next galaxy.

The forge is silenced, but the cost is high. The Eternals are now mortal, aging slowly like the humans they protected. Arishem’s shadow still looms in the stars, but for the first time in seven thousand years, the Eternals aren't just living on Earth—they are part of it.