Shayol Ghul is a significant location in the fantasy series "The Wheel of Time" by Robert Jordan. It is depicted as a dark and foreboding mountain, often associated with evil and the Dark One. The mountain serves as a prison for the Dark One and is a central point in the struggle between good and evil throughout the series. The name "Shayol Ghul" translates to "the place of the shadow" in the Old Tongue, reflecting its ominous nature. It is surrounded by a desolate landscape and is feared by many characters in the series. The mountain plays a crucial role in the unfolding of the story's events and the fate of the world.