In The Lord of the Rings: The Fellowship of the Ring, Gandalf was last seen plunging into the darkest pits of Moria along with the Balrog. However, The Two Towers revealed that Gandalf did not fall to his death but instead battled with the Balrog to his last breath. Despite his triumph over Morgoth's ancient minion, Gandalf the Grey passed from Middle-earth and returned even more powerful as Gandalf the White. However, fans still wonder how it was possible for anyone to return after death, let alone who had the power to send Gandalf back to the mortal realm. More importantly, why did this mysterious individual or individuals allow this to happen?
Source：https://www.cbr.com/gandalf-resurrection-explained-lord-of-rings/
