Ember Academy
The stone resisted at first, ancient and indifferent to her panic, but slowly, agonizingly, she felt it respond, the grinding slowing, then stalling entirely, the gap holding steady at barely wide enough for a single person to squeeze through.
"Go." Oren's voice was firm behind her, already moving toward the opening. "Renna, help me hold this steady from the other side, above ground, before whatever's controlling it tries again."
"I'm not leaving Sera down here alone," Dorian said, refusing to move.