Here comes the most anticipated segment for comparison of these two characters i.e. Amethyst vs Joan Garrick superpowers. Powers and abilities define their strength, both physical and mental. So what will happen if these two super characters engage in a fight? Here you can compare Amethyst vs Joan Garrick powers, abilities, weapons and gadgets. So lets check out Amethyst Powers and Joan Garrick Powers.Decide who is more powerful!