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?!
The Illustrated Guide to Creatures 
That Really Exist!
!الدليل المصوّر للمخلوقات التي توجد حقّاً
Das gibt’s echt!
Bilderbuch der Lebewesen!
¡Guía de criaturas que sí existen!
¡Guía de criaturas que sí existen!
Encyclopédie des vrais animaux !
Guida illustrata degli animali 
che esistono davvero!
Guia ilustrado de criaturas que,
por algum motivo, existem!
Энциклопедия реальных животных!