Earth.Destruction.Corruption... That was the rest of Earth, that was putrify by mortal humans, savages that greed conquer their hearts. "There's nothing left of Earth" is what they're trying to make believe to those whose memory was intact, but others weren't so lucky. The urge and the struggle to return to earth after decades of the massive destruction. Youth remained strong and united as one, everything they desired was to reestablish what they once called home.