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.
Since Magnus Dux is linked 
to it, its ATK are doubled!
Die Angriffspunkte des mit ihm gelinkten
Magnus Dux werden verdoppelt!
Duplica el ataque de Magnus Dux
por estar enlazado a ella.
Como Magnus Dux está ligado
a ela, seu ataque é dobrado.