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.
Link 4 Armatos Legio Magnus Dux!
LINK-4 Armatos Legio Magnus Dux!
¡Link 4 Armatos Legio Magnus Dux!
Link 4, Armatos Legio Magnus Dux!