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.
...I Special Summon Rokkets from my 
graveyard equal to the difference in defense position.
Rokket-Monster in Verteidigungsposition
invoco monstruos Rokket
en defensa hasta igualar el número.
eu invoco Rokkets do meu cemitério
igual à diferença, em posição de defesa.