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Patrol
I loved the ability to set patrols of units back and forth so when something crossed it I could react. Or it could be used in scouting. It was a nice feature. -
Auto scout.
For that first or second scout, to open up the maps and get rid of the fog of war, an auto scout was nice especially when I was new at the game. It helped integrate me into playing better. -
Formations
Formations helped me save units when I was allowed to use them, it helped me learn macro, it helped me learn hot keys and UI, and it made the game look cool when you brought up a formation of units in a HUGH formation. -
And lastly defensive stance.
Sometimes I don’t need units to chase after your army endlessly across the map. It’s not needed in all cases, like if you have Mongol horse arches and I have man at arms. They don’t need to chase.