So a while ago I got Daggerfall and I been wondering, is there a way I can join the Necromancers? I ask because I heard/read the Hero Of Daggerfall helped The King Of Worms become what he was in the Elder Scrolls Lore, but while looking at a Wiki the Category had "Daggerfall-Factions-Unjoinable" so how exactly can I help their leader? XD

The King of Worms will at some point offer information on the whole Lysandus thing in exchange for the PC's help with something (specifically, he wants you to bring him the soul of a lich haunting Castle Sentinel), but the PC will never officially join the Necromancers, as far as I know.