In May 811, Nikephoros and Staurakios, alongside Michael Rhangabe, the Kouropalates and son-in-law of Nikephoros, led a campaign over the Haemus Mons into the Bulgarian Empire.
Pada bulan Mei 811, Nikephoros dan Staurakios, bersama Mikhael Rhangabe, Kouropalates dan menantunya Nikephoros, memimpin kampanye atas Haemus Mons ke Kekaisaran Bulgaria.