In the 14th century a quarrel over English succession to the French throne escalated into what history would call the Hundred Years’ War. This ongoing war had exhausted the standing armies of both sides and there was a growing dependence on mercenary soldiers.
Now, take charge as a mercenary leader and contract your army to the English and French. With arrows raining from above, knights charging on horseback, and cannoniers firing volleys at heavy infantry, armies will collide in unprecedented scale and startling chaos on the battlefield.