The regulation was short-lived as in 1033 Otto was killed by one of his own men, and Mieszko II took over the domains. Shortly after, Mieszko expelled Detric and reunited the whole country in his hand. Though Mieszko regained his territory, he still was opposed by the nobility and his own subjects. Mieszko did not adopt Bezprym's renunciation of the Polish crown and continued to style himself as King. Mieszko II died soon after in 1034, and upon his death, a Pagan reaction in Poland erupted. Subsequently, his wife Richeza and son Casimir I fled to the Empire.