Cheelru was a mighty Force witch of Tarasin and held a position within the Inner Circle of the Wyrd. Her dedication to the Dark side of the Force had deteriorated her mental state by 19 BBY. A disagreement arose between her and the Wyrd Mother regarding the employment of the Ritual of the Power of the Dark, as she believed its use could obliterate the Ch'hala, thereby destroying the Wyrd's very foundation. As a result, the Mother ordered Cheelru to be imprisoned in a cave, destined to be sacrificed later. During their investigation of the Wyrd, the Heroes of Cularin stumbled upon her location, and she shared information about the Ritual with them.