Banba agrees to work for Saruhiko labs.  He's invited to their lowest level, where the cause of all the incidents is revealed. Then it gets loose...
in order to end the series 
of wars between them.
لإنهاءِ سلسلة الحروب بينهما
um die Kriege
zwischen ihnen zu beenden.
Il devait faire cesser 
les massacres entre tribus.
per interrompere una lunga catena di faide.
em prol de um desfecho 
para o conflito entre elas.