Giorno takes the arrow that Bucciarati and the others had acquired and stabs Golden Wind with it during the final battle with Diavolo. Golden Wind evolves into Golden Wind Requiem and doesn’t even allow Diavolo to reach the truth of “dying” and he is forced to meet an end that never truly has an end.
That's why I think it's really important.
لهذا أرى أنّ هذه مسألة مهمّة حقّاً
Deshalb halte ich das auch für so wichtig.
Por eso creo que es importante.
Por eso creo que es importante.
C’est quelque chose
de très important.
È per questo che ritengo
questa faccenda importantissima.
É por isso que eu acho
este assunto muito importante.
Проще говоря, 
это очень важная штука!