Aquarius: aparecium- makes invisible ink readable
Pisces: obliviate- erases memory
Aries: bombarda maxima- creates an explosion
Taurus: imperio- controls the opponent
Gemini: silencio- mutes the opponent
Cancer: protego- barrier that offers protection
Leo: expelliarmus- disarms the opponent
Virgo: episkey- heals wounds
Libra: cantis- makes the victim sing uncontrollably
Scorpio: avada kedavra- ;of course) kills the opponent
Sagittarius: alohomora- unlocks doors
Capricorn: reparo- repairs broken things