Where is the Elden Ring storeroom key? If you're looking to defeat every last boss in the Elden Ring DLC then you'll eventually have to take on the Hornsent Grandam quest. The tricky thing is, though, that the NPC you need to talk to is inside a locked room, to which you'll need a key to gain access - but where is it?
You'll want to get your best Elden Ring builds in order before you attempt to take on those tough Elden Ring bosses - of which this side quest contains two. Being all-powerful won't do you any good if you can't begin the quest, though. Here's where you can find the Elden Ring storeroom key so you can begin the Hornsent Grandam quest.
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