sentences:  It is partly with Lorien's assistance that Sheridan is able to defeat the Vorlon ambassador Ulkesh after the Vorlon involvement in the Shadow War begins.Most critical, however, is Lorien's role in bringing about the end of the Shadow War in 2261, by providing a stage for Sheridan and Delenn to speak to both the Shadows and the Vorlons, and showing the alliance races the truth behind the war.In the end, beseeched by the Vorlons and the Shadows as if by children to their father, Lorien agrees to leave the galaxy with
  them and the remaining First Ones, ushering in a new era in the galaxy.