I Willie Follow You Into the Dark

 part of the main questline of the Winter 2016 Event during act 2. It completion of either Yule Love It! (Act 2) and Yule Love It! (5) or A Happy Meal.

End
"What made-up Pagan traditions will Willie think of to keep his followers? Find out on December 21st!"

- System Message.

"Meanwhile, keep making offerings to the Pagan gods, catching the gnome and tapping Pagans to unlock more cool prizes!"

- System Message.