Rubuta ci gaba ga wannan sakin layi - A shekara ta 1018, lokacin da sarkin Byzantine Basil II (r. 976<unk>1025) ya ci nasara
Da farko daular Bulgaria, ya yi mulkinsa a hankali. Tsarin haraji na yanzu, dokoki, da ikon ƙananan masu daraja ba su canza ba har zuwa mutuwarsa a 1025. An bautar da Patriarchate na Bulgarian mai cin gashin kansa ga Patriarch na Ecumenical a Constantinople kuma an saukar da shi zuwa babban bishopric wanda ke tsakiyar Ohrid, yayin da yake riƙe da ikon kansa da na Ikklesiya. Basil ya naɗa Bulgarian John I Debranin a matsayin babban bishop na farko, amma magajinsa Byzantines ne. An ba da aristocracy na Bulgarian da dangin tsar sunaye daban-daban na Byzantine kuma an tura su zuwa sassan Asiya na Daular. Duk da wahalar, yaren Bulgarian, adabi, da al'adu sun tsira; rubuce-rubucen da suka tsira daga lokacin suna magana game da kuma inganta Daular Bulgarian. Yawancin sabbin yankuna da aka ci nasara an haɗa su a cikin jigogi Bulgaria, Sirmium, da Paristrion.