[1] Like other brotherhoods in Ukraine, it is also a military force tasked with defending the Orthodox church and the faith, particularly against Polish and Latin influences.
With the help of the brotherhood, Lviv Orthodox eparchy which was liquidated by the Kingdom of Poland after annexation of Galicia (part of Galicia–Volhynia Wars) was revived in 1539.
Lviv Dormition Brotherhood had its own publishing house, operated hospitals, orphanages, elderly homes and provided other community services.
[3] It was also a military force that fought the Polish and Latin influences although it capitulated to the latter, subsequently joining Unia or the Eastern Catholic Churches in the eighteenth century.
In 1989 Lviv Dormition Brotherhood was revived on the efforts of Volodymyr Yarema who at that time was a priest of the Moscow's Patriarchate Church of Peter and Paul.