 When Lelouch is crowned Emperor, Kallen and the rest of the Black Knights are visibly stunned.Following Lelouch's declaration that Britannia will join the U.F.N., Kallen escorts him to the meeting, giving orders to the Black Knights beforehand to gun her down if she appears to be under the influence of Geass.Lelouch gets her to take the long route, giving them the chance to speak in private.