The sanctuary shook.
Elias felt it in his bones, a deep, resonant tremor that seemed to come from the very core of the earth. The Primordial Light pulsed wildly, its gentle rhythm replaced by a frantic, erratic beat. The walls groaned, the stones shifting, and the air grew thick with a cold, suffocating pressure.
It is here, the shadow said. The void has broken through.
Elias turned from the entrance. The others were scrambling, their faces filled with fear and determination. Claire was on her feet, her book forgotten. Mara was shouting into her phone. Selene's laptop was open, her fingers flying across the keyboard. Dominic was already at the door, his weapon drawn. Lyra was in the center of the chamber, her eyes wide, her hands raised.
"Everyone, to your positions!" Elias shouted. "P
