Rome had not been sacked in 800 years but rather the Visigoths figured out how to sack the city before proceeding with their wildness to further south in Italy.
The Visigoth great achievement came at an enormous cost with the Visigoths losing 17,000 setbacks and misfortunes out of their 39,000 men while the Romans had 15,000 setbacks and disasters out of 18,000 people.
Taking after the sack of Rome, Alaric drove his troops south to Campania, taking Nola and Capua along the route. Alaric headed towards the Roman territory of Africa where he planned to arrangement his armed force with Rome's own breadbasket,