 The Fellowship then passed under the mountains through the caverns of Moria where Gandalf was killed, and Aragorn became their new guide.At the borders of the Elven realm of Lothlórien, Boromir was unnerved by the thought of entering, pleading with Aragorn to find another way "though it led through a hedge of swords"; he cited stories of elvish witchcraft, and the "strange paths" they had already taken which had caused Gandalf's death.Once in Lórien, Boromir was greatly disturbed by Galadriel's testing of his mind, telling Aragorn "not to be too sure of this lady and her purposes".