It always starts the same. You stand in the graveyard of the Scarlet Monastery. You take a candle and carefully place it upon the Hallow's End altar.
"Horseman rise," you say, "your time is nigh. You felt death once. Now, know demise!"
He rises from the distance -- a little to your right, actually, as you face the tomb. The cackling voice and flaming horse make it clear the Horseman has risen again. "It is over, your search is done!" he warns. "Let fate choose now, the righteous one!"
While this well-known and titular fight against the Headless Horseman is probably the most recognizable portion of Hallow's End activities, it's far from the only one. Let's take a look behind the cut at what you need to do to become "The Hallowed."