Noah held the coin he'd just summoned from his void storage, turning it slow between two fingers, catching the faint mineral light bleeding off the mountain wall around him.
"Alright," he said, mostly to himself. "Let's see what you actually open."
He pressed it into the recess.
The coin clicked home with a soft, mechanical certainty that felt wrong for something carved into rock this old, like the stone itself had been waiting a very long time for exactly this shape to arrive. A low hum built underneath his feet, vibration more than sound, and the seam running down the door's center split slow, both panels grinding inward and apart, revealing darkness beyond.
Storm pushed past him before he could react, nose low to the ground, already sniffing at the threshold with the kind of focused intensity Noah had genuinely never seen from him.
"Hey—wait, let me at least—"
