Sky Kingdoms by RealtimeUK

In this action-packed trailer, the challenge was to create a beautiful cinematic that would complement the game’s much lauded, and unique, graphical style. Our Hero’s quiet day is seemingly interrupted by the enemies of the game, leading to a full-scale battle that shows the breadth of the game’s beautifully realised world brought to life in cinematic form.
http://www.realtimeuk.com/video/sky-kingdoms/