Hajime, Jyugo, Uno, and Nico head to Building 5 to find out about Rock and Yamato.
Jyugo and the others fall into a trap and end up in level 1 underground cell.
There, they find the captured Upa and Liang.
Meanwhile, Hajime is captured by Inori and is escorted to the underground cell where Samon, covered in injuries, is restrained.
Samon reveals who’s behind the incident.
It is no other than Enki Gokuu, the former Building 5 supervisor who became a criminal causing havoc in Nanba Prison in the past. He is also Samon’s brother.
In here, only a person with 
absolute power should be served.
لا يجب خدمة إلاّ رجل ذا قوّة
.مطلقة في هذا المكان
Nur unbestreitbar starken Menschen
sollte hier gedient werden.
En este lugar solo se obedece
a los más fuertes.
En este sitio solo se obedece
a los más fuertes.
Ici, on ne sert que ceux
qui ont un pouvoir absolu.
In questa prigione dovrebbero prestare servizio
 solo le persone dotate di poteri immensi.
Aqui, apenas as pessoas com
 muito poder devem servir.
Здесь место только одному-единственному человеку,
который обладает абсолютной силой.