Remember long ago, when Mockingjay, Part One was released (Christmas, 2014, if ancient history isn't your strong suit), and its album included a suprise number recorded by Jennifer Lawrence?
The world is full of warehouses of ancient mysteries; but the contents aren't weird statuettes and bits of bling. They're documents, manuscripts, tablets, photographs, rubbings, tapes, inscriptions --things written, and full of facts, and never yet read by anyone.
Sure, you can't read a receipt book and be taken over by a mysterious, dark entity, but, in some ways, these old documents can get you into far more trouble than--
Wait. That's stupid. Forget I said it. Getting possessed by an ancient, malevolent entity is way worse than reading something and not realising its implications until it's way too late.
I'm going with a Community reference because I'm old enough to remember the Seventies and I am not going to do anything that might be perceived as endorsing Journey.