In 340 he was raised to the consular rank as co-consul with Titus Manlius Torquatus, and the Romans allied themselves with their former enemies against the Latins in the Latin War. When during his consulate, an oracle announced that an army and the opposite army's general both would go to their deaths, Mus devoted himself and his foes to the Dii Manes and mother Earth to give his army the victory in the Battle of Vesuvius, in which he was slain and the enemy annihilated.