The Sapphire Portal

The Sapphire Portal is activated as the Merdrun bring their women and children through, raising questions about its true purpose—a potential weapon to cleanse Santhenar of its human inhabitants, known only to their arch-sorcerer. Karan and her allies undertake a risky mission to uncover and thwart the portal's real intent before it’s too late, facing formidable defenses in the process. This final installment concludes the overarching storylines from the series, tying together the events of the Three Worlds sequence and related series.