Bladestorm: Nightmare is being released in the West Q1 2015, Koei Tecmo announced this morning. (Note that “Bladestorm: Nightmare” is a tentative title.)
The game follows Bladestorm: The Hundred Years War, which was released in 2007 for the PlayStation 3 and Xbox 360. Koei describe it as a “strategy game at its core”. It focuses on historical events during the European middle-ages.
Bladestorm: Nightmare will be released on PlayStation 3, PlayStation 4 and Xbox One. You can view a Japanese trailer for the game in this older report.