Брестская уния
On 11 July 1609 some Orthodox, who opposed the Union of Brest, attempted to his life, but without success. In 1611 he succeeded to appoint also a bishop favorable to the Union of Brest in the Eparchy of Przemyśl. He also worked on the restructuring of the Order of Saint Basil the Great. Potii died on 8 July 1613 in Volodymyr-Volynskyi and was buried in the cathedral of that town.