 During the final assault against Korhal, Valerian recognized that Arcturus was beyond redemption, and asked only that Kerrigan minimize civilian casualties; Kerrigan thus elected to attend his request, recognizing him as a different man from his father.Kerrigan killed Arcturus shortly thereafter.Following the death of his father and the departure of the Zerg, Valerian assumed the throne and became the new Emperor of the Dominion.