As Above, So Below

As Above, So Below is a 2014 American horror film directed by John Erick Dowdle, who co-wrote the screenplay with his brother Drew Dowdle. It stars Perdita Weeks, Ben Feldman, Edwin Hodge, François Civil, Marion Lambert, and Ali Marhyar. The film is presented as found footage of a documentary crew's experience exploring the Catacombs of Paris in search of the philosopher's stone, only to be confronted by supernatural forces.