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
Themes of The Lord of the Rings into Ringwraiths, undying but not truly living either. "The Lord of the Rings" centres around the corrupting influence of the One Ring. This theme is discussed at length by Tom Shippey in chapter III of "". In this chapter, titled, "The Lord of the Rings (2): Concepts of Evil" (pp 112–160), Shippey notes that what lies at the heart of the story is the assertions made by Gandalf about the power and influence of the One Ring, and the corrupting influence it has on its bearers. Gandalf rejects the Ring after Frodo offers it to him, and this view of