The stone door slid another inch, and the energy inside me answered with a hard pulse that ran from my wrist to my shoulder. The markings around the entrance lit up one after another, as if something below had been waiting for that signal.“Get away from it!” Han shouted.Zhao Lei grabbed the injured guard and dragged him toward the yard. The pressure struck before they reached the doorway, forcing all of us down. Dust burst from the walls, and a crack split the floor beneath my hand.I tried to suppress the energy, but it pushed against my control. The entity inside me remained silent, leaving me to fight a force I barely understood.The stone door stopped moving. Beyond the narrow opening, darkness covered a chamber cut into the earth. I could make out a low platform and the broken ends of metal restraints, but no sign of the person who had called my name.Then the pressure rose again.“Ryan, move!” Zhao Lei yelled.I rolled away as a slab fell where I had been kneeling. It struck t