Well however much you may despise the Romans., fact is that thanks to Cannae and Hannibal, Rome's hatred and Lust for revenge against Carthage actuated his defeat in Zama and Carthage's utter destruction 146 BC. Ironic inst it? How through Hannibal's so called greatest victory ultimately led to the down bringing of his home city.

https://www.youtube.com/watch?v=WPofJDFBC2o this Might shed some light for your hero Hannibal. Actually thanks to Hannibal Rome became an empire, quite a stupid turn of events in his part.