"So, where will they go?" [Are they] the eternal ones? In terms of interrogation: Are they the eternal ones? Meaning: They will not be eternal.
﴿أفأين مت فهم الخالدون﴾ على (ل ٢١٥) الِاسْتِفْهَامِ: أَفَهُمُ الْخَالِدُونَ؟ أَيْ: لَا يخلدُونَ.