Bladestorm: Nightmare is a new upcoming game which will be coming up soon on Playstation and on Xbox platform. In coming march a game demo will appear that will add a bit more glimpse on the gameplay.
This new Demo will have an entire battle tutorial where it will be easier for you to understand the entire game. This includes the weapons, troops, attacks, etc. A final date is considered to be March 17 which will target the North American region. And then just three days after around March 20 the demo will be available in Europe.
A few leak screens that you can find on the web can give you information on how the game actually is. It is based on a medieval period where troops will fight with troops and try to conquer battle.
The game was about to release a bit earlier but somehow it was delayed.