Obligation to duty

لَأُعَذِّبَنَّهُۥ عَذَابًا شَدِيدًا أَوْ لَأَا۟ذْبَحَنَّهُۥٓ أَوْ لَيَأْتِيَنِّى بِسُلْطَـٰنٍ مُّبِينٍ

I will surely punish him with a severe punishment or slaughter him unless he brings me clear authorization."