لَأُعَذِّبَنَّهُۥ عَذَابًا شَدِيدًا أَوْ لَأَا۟ذْبَحَنَّهُۥٓ أَوْ لَيَأْتِيَنِّى بِسُلْطَـٰنٍ مُّبِينٍ
La-u'azzibanahoo 'azaaban shadeedan aw la azbahannahoo aw layaatiyannee bisultaanim mubeen
I will surely punish him with a severe punishment, or slaughter him, unless he brings me a clear justification.