 They used numerous spells including beckoning spells, location spells, and fire spells as weapons, and used their black breath to cast curses, which caused dark depression among their foes, freezing them in terror.In the index of "The Return of the King", wizardry is described as the 'magic of the kind', popularly ascribed to the Wizards (Istari).In addition to the different types of supernatural creatures in Middle-earth, there was a "shadow realm" where creatures, such as the Ringwraiths, have a different presence than that observable in the normal world.