i still don understan why he need to tide up (●￣(ｴ)￣●)

In the actual myth, Prometheus was chained to a rock in the burning sun, and at night the bird would come to rip and tear at his innards, which would heal in the morning (much like the manga presents!), thus he is tied up with those dark shadows, to relate to the actual myth! (๑•ㅂ•)و✧

thanks ε=ε=(ノ≧∇≦)ノ

Of course~~ Happy to help!! (づ￣ ³￣)づ