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.
The Field Spell, Armatos 
Colosseum’s effect!
Danach der Effekt des Spielfeldzaubers
Armatos Colosseum!
Efecto de la magia de campo
Armatos Colosseum.
Agora, o efeito da magia de
campo, Armatos Colosseum!