In fact, "Istari" translates from Tolkien's constructed Elven language of Quenya to "wise ones," or literally "those who know." Amazon's The Rings of Power series shows Gandalf and at least one ...
In the movie The Lord of the Rings: The Fellowship of the Ring, Gandalf the Grey faces off against the Balrog of Morgoth in the Mines of Moria. The wizard manages to cast it into the abyss ...