TH9 Dragons Attack - Use 3 Lightning Spells to Destroy 2 Air Defenses!

For certain warbase, dragons attack is very powerful. Usually we use lightning spell to destroy 1 air defense, but in this case as you can see in this video below, we use 3 lightning spells to destroy 2 air defenses at once. You can do this if the air defenses are side by side so the range of lightning spell can reach both of them. Watch out this video!