Complex sentence: During Xena's pregnancy with Solan, Alti cursed her unborn son to prevent Xena changing her dark ways as Alti knew that Xena's child would bring Xena back to "the light".
Split into simpler sentences: During Xena's pregnancy with Solan, Alti cursed her unborn son. In order to prevent Xena changing her dark path as Alti knew that Xena's child would eventually bring Xena back to "the light".