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...
These "descendants" were created 
by the Kagewani's cells.
تشكّلَتْ هذه "السُلالات" بواسطةِ خلايا الكاغيواني
Diese Abkömmlinge wurden von
den Zellen des Kagewani erschaffen.
et sont devenus 
les descendants du Kagewani.
Tais descendentes foram
 criados pelas suas células.