Hog rider + Fireball + Zap combo

This is a powerful Hog Rider , Fireball, Zap Combo. Start with the hog rider, throw the fireball near the crown tower. Zap to destroy the defend and the hog rider should do maximum damage.

Its is a good idea to upgrade your fireball to level 10 and zap level 11. This will wipe out most defend near the crown tower.