Beginner:
The Castle Archer Advantage
If you are fighting in a skirmish outside of your gold mines, and have a castle archer, why not use it? Move your army back a little, enough for their melee units to feel the pain of splash arrows going through their heart, giving you a slight edge.
Similarly, if they have a castle archer and are leading you into it, don't follow them! Run back to the tower or home if you have to.
Targeting (Kill List)
When facing an enemy army, you should have an order of which units to kill first. Magikill should always be the first on this list. Then Merics. Next, low health/high damaging units should be taken out. These include swords, archers (if they don't kite), exposed albows, and ninjas. Lastly, are the high health but low damaging units, the tanks. These are the giants and Speartons.
Garrisoning units
When one of your units, like a Spearton is at low health, and you have several more with you, a good idea is to garrison it, let it heal, and use it again for later.
Escaping the castle archer/dead
If you are attacking their miners with Swordwraths/Archidons, and notice that they got a castle archer, You must obviously run right? The best way to avoid and get as far away from the arrows is by running away diagonally upwards. this is because you are traveling on the path perpendicular to the path of the arrow, and therefore are moving the farthest away from it as possible.
Ex
www.stickempires.com/play?replay=replay4444703&version=1.88 watch as I escape the castle archer epically hehe
Focus Fire
In any battle situation, focusing many/all of your units to attack one is usually the best thing to do. Try to also target weak units. This is because when you all attack one unit, that unit dies faster, and therefore their fire power is reduced.
Archer Sword vs Archer Sword
When using the Archer Sword start on short maps, before attacking, keep the archer in front. He will take the first shot, meaning that your Swordwrath will live longer than theirs, winning you the vital early skirmish.
Rage Away
TheForgottenUser
If you know your swordwrath are going to take a beating, especially from ranged units, you can use Rage to become the fastest unit in the game and run away.
Reserve your magikill
In a skirmish where you know the enemy has a ninja, medusa, or V, it is beneficial to instead of attacking with all of your units, to keep your magikill far back, away from harm. Then you can use melee units, ninjas, or try to snipe their "one hit kill unit" to death. After the dangerous unit is dead, you can bring your spell caster back in to deal heavy damage to their army without worrying.