However, he ended up heading a campaign against the Bulgarian Tsardom of Vidin and its ruler Ivan Sratsimir, which suggests that Vladislav Vlaicu had in the meantime yielded to him.
Namun ia akhirnya memimpin kampanye melawan Bulgaria Ketsaran Vidin dan penguasanya Ivan Sratsimir, yang menunjukkan bahwa Vladislav Vlaicu telah menyerah kepadanya.