A ƙarshen kaka na 1186, sojojin Byzantine sun yi tafiya zuwa arewa ta Sredets (Sofia).An shirya yakin don ba da mamaki ga Bulgarians .Duk da haka, yanayin yanayi mai tsanani da farkon lokacin sanyi ya jinkirta Rumawa kuma sojojinsu sun kasance a Sredets a duk lokacin hunturu.A cikin bazara na shekara ta gaba, an sake yin kamfen, amma abin mamaki ya tafi kuma 'yan Bulgaria sun dauki matakan hana hanyar zuwa babban birninsu Tarnovo.Maimakon Rumawa sun kewaye kagara mai karfi na Lovech.Tsawon watanni uku aka yi wa kawanya kuma ba a yi nasara ba.Nasarar da suka samu ita ce kama matar Asen, amma an tilastawa Ishaku amincewa da sasantawa don haka ya amince da maido da Daular Bulgaria.