 Ramba uchiverenga ndima ino - Muna 1346, Dobrotitsa nomunununa wake Theodore vakatumwa pamwe chete nevarwi 1 000 namambo weDobrujan Balik kuti vabatsire Mambokadzi weByzantium Anna weSavoy muhondo yevagari vemovairwa naJohn VI Kantakouzenos, asi vakakundwa naGeorge Phakrases. Gore rakatevera racho, pashure porufu rwaBalik, akava mutongi weDobruja. Muna 1348 Dobrotitsa akatora nhare yeMidia uye muna 1356 akakwanisa kutora Kozyak nhasi Obzor uye Emona kubva kuvaByzantine. 