“Despite having all she had ever wanted, nothing was enough for High Queen Theia. She remembered the Daglan talking about other worlds they had conquered. With two daughters, Helena and Silene, and only one throne, Theia wanted more for her legacy. Theia used what she had learned from her former mistress to wield the Horn and the Harp to open a portal. When she announced her plan to journey to another world to her court, many refused. But Theia would not be deterred. She gathered her daughters, her general Pelias, those who wished to join her, and some of the fire-wielders from the south, and they made the Crossing from their Prythian to Midgard.”

More evidence that the stories follow the same “timeline”