What reality has he come face to face with?

PART ONE OF THE BOOK!!

Marlow describes the “criminals” he sees chained together. (Pg 13) He observes that in his life he has seen all kinds of devils of violence, greed, and desire. But, as he stands on the hillside in the blinding sunshine, he foresees that he will become acquainted with the “devil of a rapacious and pitiless folly.” (Pg 13) What reality has he come face to face with?