DO Reborn fully replicates Warhammer: Dark Omen real-time tactics game. Player takes role of Morgan Bernhardt, baddest mercenary army Commander of the Old World.
At the beginning of Campaign player's mercenary army - "the Grudgebringers" consists of just several units. Among them: infantry, crossbowmen, cannon and cavalry. The cavalry unit is led by Morgan himself and if his unit falls in battle it is game over. Other units in the game are expendable.