"You let your guard down. My next torpedo is already loaded."
The fleet attacks Abyssal base MI.  Despite their strength the forces seem unkillable.  When they sink an enemy it just comes right back up again.  Is there any way to win the fight?
Don't underestimate the 
power of the Big Seven!
لا تستخفّوا بقوّة السبعة الكبريات‏!‏
Unterschätze uns
Big Seven nicht!
¡No subestimen el poder de los Big 7!
Ne sous-estimez pas 
la force des Big Seven !
Non sottovalutare il potere dei Big Seven!
Não subestime o poder
de uma das Sete Grandes!