sentences:  In the early part of the fourth season, he cautions Londo not to speak out against Emperor Cartagia after the arrival of the Shadow fleet on Centauri Prime.He claims (correctly, as the audience later finds out) that Cartagia has a desk upon which he has the heads of former cabinet ministers who disagreed with him, arranged in a row.After the assassination of Cartagia in "The Long Night", Prime Minister Mollari informs him that he has been appointed Regent to the throne until the Centaurum clearly determine how to fill the vacuum of power in "Epiphanies".