I remember having battles in MTW that would last for several hours, and thats in real time. I'd throw in a few stacks, the AI would throw in a few more, and then the battle began. One side would crush the first line after a prolonged struggle. Afterwards the reinforcements would arrive and they would assemble at a defensive position and take on the attackers, the attackers would be pushed back, the defenders would pursue, the next wave of attackers would slam into the pursuers from the flank and send them reeling and it would just go back and forth like this. Now I charge, or set up on a defendible position, and then the battle is done in no time. If only that was how RTW worked...