I'm suprised that this horror prank, at a haunted location in Japan, didn't give anyone a heart attack. 

The prank, based on the monster from the Ring film, is truly terrifying. During the prank, someone dressed like Sadako from the Ringu film—in costume, on stilts—chases people out of a tunnel and hides near the bathroom exit as people walk around at night. — Read the rest

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