Enemies are more aggressive, have smarter AI, increased attack speed, dynamic levels, and specific mage-class enemies now drop useful potions for a more strategic and immersive combat experience.
Avada Kedavra, Imperius, and Cruciatus — are known as the Unforgivable Curses. The use of any one of them on any sentient life is enough to earn a life sentence in Azkaban.
