Despite these dispositions, Aemilianus marched onto Italy ready to fight for his claim and caught Gallus at Interamna (modern Terni) before the arrival of Valerianus.
Meskipun disposisi ini, Aemilianus berbaris ke Italia siap berjuang untuk klaimnya dan menangkap Gallus di Interamna (modern Terni) sebelum kedatangan Valerianus.