Wiccan Spells for Love and Prosperity, "These Spells Really Work!". Want your Ex back and need a real Spellcaster who can make it happen? The fastest working and the world’s most powerful love spell A strong love spell is by far the world’s most powerful love spell. Love spells are a powerful tool that you can use to help attract and manifest love. They are so strong because they help you discover and direct the positive energy to actualize your intentions.