Ka kammala wannan magana: A lokacin da yake matashi, Sama'ila ya yi nasara wajen cin nasara a kan mutanen Byzantium kuma ya kai farmaki a yankinsu. A ƙarshen karni na 10, sojojin Bulgaria sun ci masarautar Serbia ta Duklja kuma sun jagoranci kamfen kan Masarautun Croatia da Hungary. Amma daga 1001, an tilasta shi musamman don kare daular daga sojojin Byzantine mafi girma. Sama'ila ya mutu sakamakon bugun zuciya a ranar 6 ga Oktoba 1014, watanni biyu bayan bala'in yakin Kleidion. Masu maye gurbinsa sun kasa shirya juriya, kuma a cikin 1018, shekaru hudu bayan mutuwar Samuel, kasar ta mika wuya, ta kawo karshen shekaru hamsin da suka gabata
Rikici tsakanin Byzantine da Bulgaria.