With Garren out of the game and Hajime declared the winner, Blade and Leangle are the world's last hope, to seal the Joker. However, they have to deal with the endless army of Dark Roaches that are systematically destroying the human race.

Kenzaki confronts Hajime in an all out battle with the human race's existence on the line. But can Blade manage to save the world on his own or does the Joker have a plan that will negate the Battle Fight's end game?