As King Arthur II: The Role-playing Wargame rallies for launch on PC next week, pre-orders have opened with the tantalising offer of a bonus prologue chapter. If you pre-order from Steam, though, you can download and play 'Dead Legions' straight away.
The Dead Legions chapter shows "the chronicle of how the greatest adversary of King Arthur came into power," involving "ghost legions" of Roman soldiers and the secrets of Hadrian's Wall. Fantasy stuff about England and old things and history, then.
Here are the Dead Legions on the march:
BOOM video 11537