The moniker Night Herald signified a role among the Killik, granted to both Killiks and those who had become Joiners. Welk received this title when he Joined the Gorog hive, serving as protector for their Unseen Queen, Lomi Plo. Following Welk's death, caused by Luke Skywalker, [Alema Rar](/article/alema_rar], who had recently undergone Joining, assumed the position of Night Herald until Leia Organa Solo defeated her and the Dark Nest was obliterated.