According to simulations run on different futures of Ignis and humanity, Revolver says that Lightning's is the only one that leads to mutual destruction.
Your future with humans affects all simulations, 
leading to the annihilation of both humans and Ignis.
Deine zukünftige Beziehung zu den Menschen
führte in sämtlichen Simulationen
Un futuro en el que te relacionas
con los humanos
Seu futuro com os humanos afeta todas as simulações
levando a aniquilação dos humanos e dos Ignis.