Finding hidden items in Elden Ring Shadow of the Erdtree is a thrilling puzzle because the game doesn’t bother to tell you where to use them—of course.

You won’t get handy instructions in the item description or a map marker to point you in the right direction in Elden Ring. The Prayer Room Key is a special item that unlocks a secret questline in the game, but finding this item and knowing where to use it is so tricky you might as well just return to The Lands Between. In this guide, I’ll show you how to get and use the Prayer Room Key in Elden Ring Shadow of the Erdtree to claim your rewards.