Complex sentence: No one told the girls the real secret of the Prophecy like their enemies, the Spider Witch and the Dark Sorceress, one mage is destined to bond and become one with dark magic.
Split into simpler sentences: No one told the girls the real secret of the Prophecy. Like their enemies, the Spider Witch and the Dark Sorceress, one mage is destined to bond and become one with dark magic.