When the lighter was relit, Polpo's Stand, Shadow Sabbath, appeared and attacked. Giorno is able to see through Shadow Sabbath's weakness and faces it alongside Koichi. Koichi realizes that the arrow is involved in this situation and they realize that the point of Polpo's exam is to try to create more Stand users.
I believe what I did was right, 
but I feel dark and gross inside.
أؤمن بأنّ ما فعلتُه كان صواباً، لكن أشعر
بشؤم واشمئزاز من الدّاخل
Ich glaube zwar,
dass ich richtig gehandelt habe,
Y aunque creo que hice lo correcto,
me siento sucio por dentro.
Y aunque creo que hice lo correcto,
me siento sucio por dentro.
Je n’ai rien fait de mal,
mais je l’ai très mauvaise.
Credo di aver agito nel giusto,
ma dentro di me provo vergogna e ribrezzo.
Sei que fiz o que achava certo,
mas me sinto sujo.
Я верю, что поступал правильно,