Scorcher is a special Troop that after attacking a building for a few seconds, the Scorcher will change targets even if its target is not destroyed yet. But it can return to Buildings that is has targeted before. Once being destroyed, the Scorcher explodes which deals damage to nearby buildings and Troops. Also, buildings damaged by Scorchers will continue burning for 5 seconds.
In my opinion, Scorcher can be as powerful as Warrior. The only difference is that each Scorcher costs 12 Gunboat Energy to deploy. That means you need to have a lot of Gunboat Energy so that you can use Scorchers rush with Smoke Screen and Flare.
Before you want to use Scorcher in the battle, you need to max it out. Only in that way can your Scorchers display their maximum power. You will be surprised that your Scorchers rush will tear your enemy’s base quickly without loss.
If you have unlocked the Scorcher, it is worth a try. And you can watch the video below for better understanding: