Spartacus did something similar. After being betrayed by pirates, he was cut off by the legions at the southern tip of what's today Calabria. He crucified a so

Spartacus did something similar. After being betrayed by pirates, he was cut off by the legions at the southern tip of what's today Calabria. He crucified a soldier before the Roman earthworks, both to demoralize the soldiers and to warn his fellow slaves what fate awaited them on defeat. His men breached the wall and, if I'm remembering my chronology, fought their way to the Alps (before things turned out badly for them.)