The Halloween Halo 2019 was available beginning October 12th, 2019, during the Halloween 2019 event. It was the first halo to utilize the new fountain stories system implemented on the same day.
If the player was successful in winning the Halloween Halo, their screen would turn purple. They would also receive the "Whispering Spirits" badge. The description reads "...did you hear something?"
A total of 871 players own the Halloween Halo 2019.