To Put a curse on your enemy or rival is easy. It is a branch of black magic but to break and destroy the curse is not done by everyone and is equally hard. It requires mastery.
Curses will cause the cursed person to basically get on his knees.
The person who is cursed will see no hope and will often be found lost and into his own.
Curses can not only destroy a person but can also make him physically sick.
People who are cursed often experience severe headaches, back pains and vomiting.