The last significant cult centre of the Obotrites and all other remaining pagan Wends south of the Ostsee or Baltic Sea was located in the ancestral territory of the Rani on Rügen. For this reason in 1168 Berno took part with Pribislav, who as a vassal of Henry the Lion was obligated to do it, on an expedition for the destruction of the pagan cult sites under the leadership of Valdemar I of Denmark.
The last significant pagan cult center for the Obotrites and other Wends south of the Ostsee or Baltic Sea was in the Rani territory on Rügen. Therefore, in 1168 Berno participated with Pribislav, a vassal of Henry the Lion who owed allegiance to this task, in an expedition led by Valdemar I of Denmark aimed at destroying pagan sites.