In the vast subterranean realm of Khazad-dûm, nestled deep beneath the Misty Mountains, a perilous event of great import unfolded. It was a time when the mighty Durin's Bane, a creature of shadow and flame known as the Balrog, was stirred from its age-old slumber. This awakening, an ominous occurrence, kindled a conflict of legendary proportions, pitting the wise and noble Istari against this formidable and ancient entity.