He wore a glowing talisman on a leather chain around his neck.
I don't use history to predict the future, like some talisman that lets me pick winning lottery numbers (don't I wish).
Ully returned a couple of minutes later. He strode to Toby's cell and dangled the talisman before it. Toby's door opened.
Rhyn opened the door, surprised to find the jailer's room empty. He'd expected Jared at least. He closed the door quietly behind him. He snatched the talisman hanging near the door, the one that freed inmates from their cells. He ignored the quickening of his pulse as he entered the familiar cell block.
He placed the talisman on the door frame of Hannah's cell. The door opened.