The Sundering: Struggle for the Old World (FORMER "STORM OF CHAOS") is a mod for Medieval 2: Kingdoms and based around the fantasy world of Game workshop's Warhammer universe during the Storm of Chaos between the Forces of Order and the Forces of Destruction, the mod's campaign opens on 2517 IC.
New Unit for The Empire faction called Knights Of The Blazing Sun!
If you want to know more about them and their order check the link below:
Warhammerfantasy.wikia.com
Credits go to Games Workshop
Wow looks amazing
Shaders in the epic picture are available for download!:)