Sisters of Battle are the highlight of the Games Workshop's Advent Calendar- day 9. Of course there are Digital and Black Library events as well, but it's the painting guides that really stick out in my book. I have been enjoying them more every time I watch them.
Advent Day 9: Siegemaster $4.99
Day nine in the Black Library Advent Calendar
Warsmith Bakulos of the Iron Warriors journeys to the world of Harrowar to forcibly take command of a continent-spanning siege and ensure its brutal completion.
Advent Day 9: The Blasted Wastes I $5.99
Day nine in the Warhammer Digital Advent Calendar
These Time of War rules allow you to represent battles set amongst the warped terrain of the Blasted Wastes in your Age of Sigmar games.