5x18 - Dark Shadows

Despite their pleas, Angelique, Andre, and Josette are unable to stop Barnabas and Jeremiah from dueling. To protect Barnabas, Angelique gives him a ""special"" good-luck charm to wear at the duel. Still blinded by his jealousy and pride, Barnabas goes through with the duel and shoots Jeremiah, seriously wounding him.