Shock Launchers are a threat to any troop composition because they will immobilize your Troops which gives other defenses more time to take them out, so it may be best to destroy Shock Launchers with Barrage or Artillery before landing your Troops.
A Shock Launcher firing at you for a long period of time while you are using a Tank strategy can be a problem. Tanks are already slow and a Shock Launcher stopping them every few seconds will make them even slower, which may cause you to run out of time in an attack.
Heavy-Zooka is typically the strongest composition against Shock Launchers because the damage dealing troops, the Zookas are safe behind high health troops, the Heavies.
While Heavies are capable of protecting Zookas from Shock Launchers' shots, Riflemen not able to in the same case as the splash radius is sufficient to hit both Riflemen and Zookas at the same time. Hence when using such a strategy, it is highly recommended to keep the Shock Launcher shocked or destroy it before the battle starts.
Shock Launchers are most effective at immobilizing the Warriors that are attacking your Headquarters. It will hinder a great number of them from dealing damage to the Headquarters in that crucial time. Make sure your Shock Launchers are within range of the Headquarters. They are also good at making Tanks useless, as Tanks have a slow fire rate and the shocks will decrease their effectiveness.
Try to place them where it covers as many of your other Defensive Buildings as possible so that it can slow down other approaching Troops.
Like the Flamethrower, it is great when placed between the HQ and the edge of the island; Warrior attackers that flare directly to the HQ will not be able to shock the Shock Launcher without shocking a large portion of their Warriors.
Two Shock Launchers whose shock durations total to at least 5 seconds (i.e. levels add up to at least 13) can immobilize troops indefinitely if they fire at a staggered rate with correct timing. Take advantage of this by placing Shock Launchers strategically.
Initially, the Shock Launcher is a gray structure with a small metal base, and a short barrel. There is a thin bronze ring at the end of the barrel, and a larger, engraved one surrounding the barrel. It has a circular base.
At level 2, the Shock Launcher gains a single tesla coil at the back.
At level 3, a second coil is added to the Shock Launcher. The base is now reinforced, being hexagonal with a wire laid across it.
At level 4, a third coil is added in between the existing coils.
At level 5, two glowing lights are added to the base of the Shock Launcher.
At level 6, the tesla coils turn light blue, and sparks can be seen running on the coils.
At level 7, the wire and glowing lights are removed and the base is reinforced. The Shock Launcher's top and sides are also reinforced.
At level 8, the sides now gain light blue panels that glow. The base also gains beige highlights.
The stun duration is not affected by factors other than building upgrades.
The Shock Launcher is the non-prototype defensive structure with the highest amount of health at max level you can build. It is also the only normal defense that cannot be located in a Resource Base.
The Shock Launcher has the largest splash radius of all the defenses.
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