 Once the blockade was ended (after a short and rocky peace), the Triumvirate, especially Octavian and his right-hand man Marcus Agrippa, were able to turn their energies to Sextus, and began an aggressive offensive.Octavian tried to invade Sicily in 38 BC, but the ships were forced to go back because of bad weather.Agrippa cut part of Via Ercolana and dug a channel to connect the Lucrine Lake to the sea, in order to change it into a harbour, called Portus Julius.