Furthermore , they had a large allied cavalry force ( 13,000 horsemen with Octavian and 20,000 with Antony ) .
Appian reports that the triumvirs ' legions were almost at full - ranks .
Legions had a large allied cavalry force ( 13,000 horsemen with Octavian and 20,000 with Antony ) .
Appian reports that the triumvirs ' legions were almost at full - ranks .