 The Papal Bull was promulgated in 1542 and Carafa vowed, "Even if my own father were a heretic, I would gather the wood to burn him".He was a surprise choice as pope to succeed Pope Marcellus II (1555); his severe and unbending character combined with his advanced age and Italian patriotism meant under normal circumstances he would have declined the honor.He accepted apparently because Emperor Charles V was opposed to his accession.