"The threshold between what?" Atlas demanded, still supporting Sarah's trembling form. "Between worlds," Marius answered, his face ashen. "The Light Basin in Ellesmere wasn't just a source of power—it was a doorway. And Mercer has found another one." The containment sphere pulsed between them, casting alternating shadows of gold and darkness across their faces. Tokyo Tower's metal frame groaned overhead, structural integrity compromised despite their intervention. "We need to move," Cassius urged, eyeing the unstable structure above. "This whole area could collapse any minute." Hannah helped Sarah's grandfather navigate the debris-strewn ground. "Where exactly are we supposed to go? If what you're saying is true, nowhere is safe." "My facility," Marius said, straightening despite his

