These bolts strike the ground in a similar fashion to the Lightning Spell. When destroyed, the Electro Dragon causes the nearby ground to be struck with lightning bolts.Damage dealt to each chained targets get reduced by 25% for every hit. But if your Army Camps have the room, you. Accordingly, the housing space (and training time) required for these beasties is considerable. A devastating creature to hold within your troop arsenal, which will look to decimate an enemy's ground and air resistance with its ranged attacks. This Chain Lightning allows it to hit up to 5 targets at once, but with decreasing damage for each target chained. Dragon - soldier stats and troop tactics in Clash of Clans. The Electro Dragon has a special form of attack known as Chain Lightning, a similar form of which is also used by the Mega Tesla from the Builder Base.Once all of the nearby enemy troops are defeated, the Electro Dragons will proceed to attack the nearest structure. However, once they become aware of enemy Clan Castle troops, Heroes, or Skeleton Trap skeletons (either by being attacked themselves or by being near another friendly troop under attack), they will leave their previously targeted building and instead engage the enemy troops.