 Without its core, the Spirit Tree could not sustain the three elements, and Nibel lost its balance.Meanwhile, Gumo overhears Ori and Sein's intentions to restore Nibel and uses his clan treasure that stores the light from the Spirit Tree to revive Naru, and takes her to where Ori is.After the final element, Warmth, is restored in the volcano Mount Horu, Kuro attacks Ori and Sein as the fire from Horu starts to spread.