His flame hand seemed to do considerable damage, because it scared most of the demons. The demons were powerful, but they were not invincible, and the weaker demons numbered more than the stronger ones.
Liu Feng quickly destroyed almost all the smaller ranked demons who had the power of a second or third order mage. His arrays were doing a wonderful job of taking care of the small fry. It was burning up most of the demons to a very clean crisp. It seemed that Liu Feng was just unlucky that he had met such powerful demons whenever he had to face an opponent, because these demons were not able to resist the mana attacks as much as the demon who attacked Amelia did.