What's the difference between the barrier shield and the eternal shield in Dream Three Kingdoms? How much better is immortality than the barrier shield?

The immortal shield needs a blood stone, a combination of axe and scroll in the underworld, and ***5400 gold coins. The added attribute is 35 physical strength, 300 blood, and 15 blood recovery speed per second. If you don't increase 1 point strength, you will increase 17 points of blood and recover 0.07 points of blood. That is to say, the total * * will add 895 points of blood and 655 points of blood to reply. Block shield needs blood stone, blood jade, iron shield and ***2275 gold coins. Attribute is to add 250 health points, 5 health points, and 65% chance to block 40 ordinary physical damage. In general, instead of banning immortality, it is better to replace it. After all, immortality has added more attributes, which can be carried and reacted quickly.