Cika wannan jumla:
anti-Byzantine tawaye a cikin 1185 kuma musamman bayan nasarar a Tryavna Bulgarians da tabbaci ya dauki himma na yaki. Sakamakon kokarinsu, 'yan Bulgaria sun fara kwace yankuna na Thrace da Macedonia daga Byzantines; sojojin Bulgaria sun yi amfani da sansanonin su a arewacin tsaunukan Balkan da kogin Danube a matsayin sansanonin yaki.