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.
It actually lit up again... 
There has to be something wrong!
!اشتعلَتْ مجدّداً... لا بدَّ من وجود خطأ ما
Es brennt zwar wieder.
Aber irgendetwas muss anders sein.
De verdad se encendió…
¡Algo debe andar mal!
De verdad se encendió…
Algo no puede estar bien.
Le rallumer, c’est pas logique.
Si è davvero riacceso...
Ci dev'essere qualcosa sotto!
Ele acendeu de novo...
Isso não pode estar certo!
Не могла она взять и зажечься, 
это же бред!