1. It causes great pain to the victim.   Crucio   Aguamenti   Diffindo   Ennervate   Hint Half-n-half Clue   2. It causes the victim article to be severed.   Furnunculus   Langlock   Densaugeo   Diffindo   Half-n-half Clue   3. It causes the victim article to start growing larger in size.   Incarcerous   Engorgio   Ennervate   Incendio   Half-n-half Clue   4. It causes the victim's teeth to start growing rapidly.   Densaugeo   Finite Incantatem   Engorgio   Incarcerous   Half-n-half Clue   5. It causes instant death.   Locomotor Mortis   Avada Kedavra   Engorgio   Langlock   Half-n-half Clue   6. It causes the caster to be protected.   Expecto Patronum   Langlock   Episkey   Evanesco   Half-n-half Clue   7. It causes the victim's tongue to be glued to the roof of the victim's mouth.   Furnunculus   Densaugeo   Langlock   Expecto Patronum   Half-n-half Clue