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.
Due to eXcharge's effect, I can’t 
attack you directly this turn.
Aufgurnd eXcharges’ Effekt darf ich dich
in diesem Zug nicht direkt angreifen.
Por efecto de X Charge,
Devido ao efeito do eXcharge, eu não
posso atacá-lo diretamente neste turno.