I Finished the War, but I Finished It?

Six thousand slaves are taken prisoner but not marched in a triumph. They are put up on crosses along the main road from rome to where it all started. Six thousand crucifixions along the appian way is a message to slaves that you do not do this again. A while after this, he'll try and get that glory by going east to parthia. And that will be his undoing, as that's where he dies and loses three legions.