Check out the other installments in our ongoing coverage of The Dark Tower.

Part I: Idris Elba on breathing fire into Stephen King’s Gunslinger

Part II: Matthew McConaughey awaits the end of the world as The Man in Black

Part III: What the film changes (and keeps) from Stephen King’s books

Part V: Stephen King explains how his other novels secretly connect to The Dark Tower film.

For more on The Dark Tower, pick up the latest issue of Entertainment Weekly, on newsstands now, or buy it here — and subscribe now for more exclusive interviews and photos, only in EW.