Complex sentence: Unexpectedly, a golden opportunity comes to them: a stranger (John Carradine) enters the hut to seek shelter, who introduces himself as the king's new talented and multilingual jester, Giacomo, "King of Jesters and Jester of Kings".
Split into simpler sentences: Unexpectedly, a golden opportunity comes to them: a stranger (John Carradine) enters the hut to seek shelter. He introduces himself as the king's new talented and multilingual jester, Giacomo, "King of Jesters, and Jester of Kings".