Billionaire Isak Andic, 71, was near Barcelona in the Montserrat caves at the time, according to local reports cited by the BBC and the Guardian. He reportedly fell into a ravine in an area known ...

which will lead you to the Ravine-Veiled Village Site of Grace. From here, climb up the ladder nearby, and follow the ladder path until you enter a cave. This is the Ruin-Strewn Precipice.