The ability to have a concealed weapons inside your body... isn't that the dream?!
Tasked with the order for an animal that uses "bones as weapons", Jupiter begins to alter his own ribs like mad.
Due to this, his ribs break, or he runs out of oxygen.
After he put his body on the line this much, surely the new creature will be really cool, right?!
Since you guys dive in the ocean, 
how about a lung capacity battle?
بما أنّكما تغوصان في المحيط، ما رأيكما
بمنافسة سعة رئة؟
Como vocês mergulham no mar, que tal
uma disputa de capacidade pulmonar?
Раз вы живёте в океане,
как насчёт дуэли на объёме лёгких?