Angelo's Stand ability was brought forth by the mysterious bow and arrow, and apparently they're also connected to DIO. After defeating Angelo, Jotaro thought that the danger had left the city, and tries to find the whereabouts of the bow and arrow. A few days later, Koichi is walking home with Josuke, and they pass a house that should be empty...
I can still heal his wounds 
with my Shining Diamond!
ما زال بمقدوري مُعالجة جروحه بألماستي السّاطِعة
Ich kann ihn immer noch mit
meinem Shining Diamond retten!
¡Aún puedo sanar sus heridas
con mi Shining Diamond!
¡Aún puedo sanar sus heridas
con mi Shining Diamond!
Je peux encore guérir ses blessures
avec mon Crazy Diamond !
Posso ancora guarire le sue ferite
con il mio Shining Diamond!
Ainda posso curar as feridas
dele com meu Crazy Diamond!