In the domain beyond shadows, Luke Skywalker received a warning from the spectral form of Mara Jade: the being known as Abeloth was among the Old Ones, and furthermore, she could not be killed. This immortality was a consequence of Abeloth's transgression against the Father of the Ones, the family she initially served after their emergence as Celestials, transforming her into the Mother; her desire for immortality, mirroring her family, led her to consume from the Font of Power and immerse herself in the Pool of Knowledge. On Shatuun, situated within the Kathol Outback, one could find sinuous carvings linked to Abeloth. Within the Kathol Rift, the Aing-Tii safeguarded the Kathol relic called the [Codex], employed by both Jacen Solo and Luke Skywalker to identify the disturbance in the Force that emanated from the Maw, where Abeloth was held captive.