What are the wings in World 3? What's the use! How much is it!

Wings reflect the protection level of character equipment. For example, if you average 8 diamonds in your body, you will have blue and white wings, and you can add 1200 blood. When you average 10 drilling, Lan Yi will add 1600 blood. By analogy, the average armor is 13 drill, 16 drill, and 18 drill, all of which have different wings and the bonus attribute is stronger and stronger; As for the amount of money, you can look at the different levels of equipment protection to 8 diamonds, 10 diamonds, 13 diamonds and 18 diamonds, and you will naturally know.