Special effects of The Lord of the Rings film series Later on, the scenes were merged using digital effects. Besides Weathertop, many of the other scenes in the Lord of the Rings trilogy were shot in this way, first by filming the scenery or set miniatures, then the actors on a studio set, and merging the two together. An example of this is in the Mines of Moria, when the Fellowship was fighting the Cave-troll in Balin's Tomb, and again when the Fellowship is on the Khazad-Dum stairs and bridge. Gandalf has his own particular scene with computer graphics as he grapples with the Balrog as they fall to their
The Lord of the Rings: The Third Age in Dol Guldur, the wizard Gandalf was sent to investigate. However, Sauron hid from Gandalf, waiting for four hundred years before returning. Around the same time, the One Ring was found by a Hobbit named Sméagol, who became utterly corrupted by it, living in the caves of the Misty Mountains, and physically transforming into a creature known as Gollum. For five hundred years, Gollum was consumed and corrupted by the Ring. Eventually, Gandalf was able to determine the evil presence in Dol Guldur was indeed Sauron. Gandalf reported back to the White Council, but Saruman dissuaded them from moving against